100620432 has 120 divisors (see below), whose sum is σ = 310084320. Its totient is φ = 30205440.

The previous prime is 100620397. The next prime is 100620439. The reversal of 100620432 is 234026001.

It is a happy number.

100620432 is a `hidden beast` number, since 1 + 0 + 0 + 620 + 43 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (100620439) 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, 219948 + ... + 220404.

It is an arithmetic number, because the mean of its divisors is an integer number (2584036).

Almost surely, 2^100620432 is an apocalyptic number.

100620432 is a gapful number since it is divisible by the number (12) 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 100620432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155042160).

100620432 is an abundant number, since it is smaller than the sum of its proper divisors (209463888).

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

100620432 is a wasteful number, since it uses less digits than its factorization.

100620432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 100620432 is about 10030.9736317069. The cubic root of 100620432 is about 465.1168350192.

Adding to 100620432 its reverse (234026001), we get a palindrome (334646433).

The spelling of 100620432 in words is "one hundred million, six hundred twenty thousand, four hundred thirty-two".