20020200312 has 64 divisors (see below), whose sum is σ = 57216096000. Its totient is φ = 5718504960.

The previous prime is 20020200301. The next prime is 20020200341. The reversal of 20020200312 is 21300202002.

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

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, 698439 + ... + 726537.

It is an arithmetic number, because the mean of its divisors is an integer number (894001500).

Almost surely, 2^20020200312 is an apocalyptic number.

It is an amenable number.

20020200312 is an abundant number, since it is smaller than the sum of its proper divisors (37195895688).

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

20020200312 is a wasteful number, since it uses less digits than its factorization.

20020200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32356 (or 32352 counting only the distinct ones).

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

Adding to 20020200312 its reverse (21300202002), we get a palindrome (41320402314).

The spelling of 20020200312 in words is "twenty billion, twenty million, two hundred thousand, three hundred twelve".