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20220130221131 = 72979127706741
BaseRepresentation
bin1001001100011110111011…
…01011011101110001001011
32122121000200122022101012202
410212033131223131301023
510122241311314034011
6111000555524430415
74154566451024141
oct446173553356113
978530618271182
1020220130221131
116496344410325
12232696884840b
13b38999c72b59
144dc933a41591
15250e8a6ea23b
hex1263ddaddc4b

20220130221131 has 4 divisors (see below), whose sum is σ = 20220158657664. Its totient is φ = 20220101784600.

The previous prime is 20220130221119. The next prime is 20220130221139. The reversal of 20220130221131 is 13112203102202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20220130221131 is a prime.

It is a super-2 number, since 2×202201302211312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220130221139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13123580 + ... + 14583161.

It is an arithmetic number, because the mean of its divisors is an integer number (5055039664416).

Almost surely, 220220130221131 is an apocalyptic number.

20220130221131 is a deficient number, since it is larger than the sum of its proper divisors (28436533).

20220130221131 is an equidigital number, since it uses as much as digits as its factorization.

20220130221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28436532.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20220130221131 its reverse (13112203102202), we get a palindrome (33332333323333).

The spelling of 20220130221131 in words is "twenty trillion, two hundred twenty billion, one hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 729791 27706741 20220130221131