20010231000100 has 72 divisors (see below), whose sum is σ = 47567874211200. Its totient is φ = 7246002153600.

The previous prime is 20010231000091. The next prime is 20010231000143. The reversal of 20010231000100 is 100013201002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37793835 + ... + 38319634.

It is an arithmetic number, because the mean of its divisors is an integer number (660664919600).

Almost surely, 2^{20010231000100} is an apocalyptic number.

20010231000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010231000100 is an abundant number, since it is smaller than the sum of its proper divisors (27557643211100).

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

20010231000100 is a wasteful number, since it uses less digits than its factorization.

20010231000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76113733 (or 76113726 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20010231000100 its reverse (100013201002), we get a palindrome (20110244201102).

The spelling of 20010231000100 in words is "twenty trillion, ten billion, two hundred thirty-one million, one hundred", and thus it is an aban number.