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20010233303100 = 22325237887677461
BaseRepresentation
bin1001000110010111111101…
…10110010001000000111100
32121211221220120020011110200
410203023332312101000330
510110321424211144400
6110320324013203500
74133456143454535
oct443137666210074
977757816204420
1020010233303100
116415324041127
1222b214a790590
13b21c59418a81
144d270139168c
1524a7a347ab00
hex1232fed9103c

20010233303100 has 216 divisors, whose sum is σ = 64488843470688. Its totient is φ = 5185983398400.

The previous prime is 20010233303069. The next prime is 20010233303107. The reversal of 20010233303100 is 130333201002.

20010233303100 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 0 + 23 + 330 + 310 + 0 = 666.

It is a super-2 number, since 2×200102333031002 (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 (20010233303107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29198370 + ... + 29875830.

Almost surely, 220010233303100 is an apocalyptic number.

20010233303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010233303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32244421735344).

20010233303100 is an abundant number, since it is smaller than the sum of its proper divisors (44478610167588).

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

20010233303100 is a wasteful number, since it uses less digits than its factorization.

20010233303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678405 (or 678395 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20010233303100 its reverse (130333201002), we get a palindrome (20140566504102).

The spelling of 20010233303100 in words is "twenty trillion, ten billion, two hundred thirty-three million, three hundred three thousand, one hundred".