100552920 has 128 divisors (see below), whose sum is σ = 332640000. Its totient is φ = 24159744.

The previous prime is 100552919. The next prime is 100552957. The reversal of 100552920 is 29255001.

It is a super-2 number, since 2×100552920² = 20221779441052800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66331 + ... + 67829.

It is an arithmetic number, because the mean of its divisors is an integer number (2598750).

Almost surely, 2^100552920 is an apocalyptic number.

100552920 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 100552920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320000).

100552920 is an abundant number, since it is smaller than the sum of its proper divisors (232087080).

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

100552920 is a wasteful number, since it uses less digits than its factorization.

100552920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 100552920 is about 10027.6078902199. The cubic root of 100552920 is about 465.0127872539.

The spelling of 100552920 in words is "one hundred million, five hundred fifty-two thousand, nine hundred twenty".