100020032 has 28 divisors (see below), whose sum is σ = 226832160. Its totient is φ = 42865536.

The previous prime is 100020023. The next prime is 100020103. The reversal of 100020032 is 230020001.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111182 + ... + 112077.

Almost surely, 2^100020032 is an apocalyptic number.

It is an amenable number.

100020032 is an abundant number, since it is smaller than the sum of its proper divisors (126812128).

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

100020032 is an equidigital number, since it uses as much as digits as its factorization.

100020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223278 (or 223268 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 100020032 is about 10001.0015498449. The cubic root of 100020032 is about 464.1898747278.

Adding to 100020032 its reverse (230020001), we get a palindrome (330040033).

The spelling of 100020032 in words is "one hundred million, twenty thousand, thirty-two".