10401200020 has 48 divisors (see below), whose sum is σ = 23001027840. Its totient is φ = 3939981696.

The previous prime is 10401199987. The next prime is 10401200053. The reversal of 10401200020 is 2000210401.

It is an interprime number because it is at equal distance from previous prime (10401199987) and next prime (10401200053).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692874 + ... + 1699006.

It is an arithmetic number, because the mean of its divisors is an integer number (479188080).

Almost surely, 2^10401200020 is an apocalyptic number.

10401200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401200020 is an abundant number, since it is smaller than the sum of its proper divisors (12599827820).

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

10401200020 is a wasteful number, since it uses less digits than its factorization.

10401200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10401200020 its reverse (2000210401), we get a palindrome (12401410421).

The spelling of 10401200020 in words is "ten billion, four hundred one million, two hundred thousand, twenty".