104920920 has 320 divisors, whose sum is σ = 395176320. Its totient is φ = 24800256.

The previous prime is 104920919. The next prime is 104920979. The reversal of 104920920 is 29029401.

It is a super-2 number, since 2×104920920² = 22016798907292800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1979614 + ... + 1979666.

It is an arithmetic number, because the mean of its divisors is an integer number (1234926).

Almost surely, 2^104920920 is an apocalyptic number.

104920920 is a gapful number since it is divisible by the number (10) 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 104920920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197588160).

104920920 is an abundant number, since it is smaller than the sum of its proper divisors (290255400).

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

104920920 is a wasteful number, since it uses less digits than its factorization.

104920920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 104920920 is about 10243.0913302577. The cubic root of 104920920 is about 471.6509317019.

The spelling of 104920920 in words is "one hundred four million, nine hundred twenty thousand, nine hundred twenty".