20031213300 has 72 divisors (see below), whose sum is σ = 66236552256. Its totient is φ = 4578562560.

The previous prime is 20031213299. The next prime is 20031213329. The reversal of 20031213300 is 331213002.

It is a super-3 number, since 3×20031213300³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20031213300.

It is a congruent number.

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, 4767237 + ... + 4771436.

Almost surely, 2^20031213300 is an apocalyptic number.

20031213300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031213300 is an abundant number, since it is smaller than the sum of its proper divisors (46205338956).

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

20031213300 is a wasteful number, since it uses less digits than its factorization.

20031213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538697 (or 9538690 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20031213300 its reverse (331213002), we get a palindrome (20362426302).

The spelling of 20031213300 in words is "twenty billion, thirty-one million, two hundred thirteen thousand, three hundred".