100202032020 has 48 divisors (see below), whose sum is σ = 281330235648. Its totient is φ = 26647728000.

The previous prime is 100202032013. The next prime is 100202032031. The reversal of 100202032020 is 20230202001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100202031987 and 100202032005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253231 + ... + 2297270.

It is an arithmetic number, because the mean of its divisors is an integer number (5861046576).

Almost surely, 2^100202032020 is an apocalyptic number.

100202032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202032020 is an abundant number, since it is smaller than the sum of its proper divisors (181128203628).

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

100202032020 is a wasteful number, since it uses less digits than its factorization.

100202032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550880 (or 4550878 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 100202032020 its reverse (20230202001), we get a palindrome (120432234021).

The spelling of 100202032020 in words is "one hundred billion, two hundred two million, thirty-two thousand, twenty".