20021010002312 has 32 divisors (see below), whose sum is σ = 41724746412480. Its totient is φ = 8928752314560.

The previous prime is 20021010002281. The next prime is 20021010002321. The reversal of 20021010002312 is 21320001012002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146330028 + ... + 2146339355.

It is an arithmetic number, because the mean of its divisors is an integer number (1303898325390).

Almost surely, 2^{20021010002312} is an apocalyptic number.

20021010002312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20021010002312 is an abundant number, since it is smaller than the sum of its proper divisors (21703736410168).

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

20021010002312 is a wasteful number, since it uses less digits than its factorization.

20021010002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292669453 (or 4292669449 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20021010002312 its reverse (21320001012002), we get a palindrome (41341011014314).

The spelling of 20021010002312 in words is "twenty trillion, twenty-one billion, ten million, two thousand, three hundred twelve".