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20220100202142 = 23241139197111581
BaseRepresentation
bin1001001100011110110111…
…11000111100111010011110
32122121000121112211020220100
410212033123320330322132
510122241231122432032
6111000552533201530
74154565634616211
oct446173370747236
978530545736810
1020220100202142
116496329477645
12232695a7902a6
13b38993992339
144dc92da69778
15250e87c6a97c
hex1263dbe3ce9e

20220100202142 has 48 divisors (see below), whose sum is σ = 45201627984240. Its totient is φ = 6528335529600.

The previous prime is 20220100202119. The next prime is 20220100202143. The reversal of 20220100202142 is 24120200102202.

20220100202142 is a `hidden beast` number, since 2 + 0 + 220 + 100 + 202 + 142 = 666.

It is a super-2 number, since 2×202201002021422 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220100202143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98453209 + ... + 98658372.

It is an arithmetic number, because the mean of its divisors is an integer number (941700583005).

Almost surely, 220220100202142 is an apocalyptic number.

20220100202142 is an abundant number, since it is smaller than the sum of its proper divisors (24981527782098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220100202142 is a wasteful number, since it uses less digits than its factorization.

20220100202142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197111769 (or 197111766 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20220100202142 its reverse (24120200102202), we get a palindrome (44340300304344).

The spelling of 20220100202142 in words is "twenty trillion, two hundred twenty billion, one hundred million, two hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 41 82 123 139 246 278 369 417 738 834 1251 2502 5699 11398 17097 34194 51291 102582 197111581 394223162 591334743 1182669486 1774004229 3548008458 8081574821 16163149642 24244724463 27398509759 48489448926 54797019518 72734173389 82195529277 145468346778 164391058554 246586587831 493173175662 1123338900119 2246677800238 3370016700357 6740033400714 10110050101071 20220100202142