10020020100 has 36 divisors (see below), whose sum is σ = 28991259024. Its totient is φ = 2672005280.

The previous prime is 10020020071. The next prime is 10020020111. The reversal of 10020020100 is 102002001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16699734 + ... + 16700333.

Almost surely, 2^10020020100 is an apocalyptic number.

10020020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020020100 is an abundant number, since it is smaller than the sum of its proper divisors (18971238924).

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

10020020100 is a wasteful number, since it uses less digits than its factorization.

10020020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400084 (or 33400077 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10020020100 its reverse (102002001), we get a palindrome (10122022101).

The spelling of 10020020100 in words is "ten billion, twenty million, twenty thousand, one hundred".