20000311012 has 48 divisors (see below), whose sum is σ = 40448278080. Its totient is φ = 8557660800.

The previous prime is 20000311003. The next prime is 20000311033. The reversal of 20000311012 is 21011300002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000311012.

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, 55062 + ... + 207442.

It is an arithmetic number, because the mean of its divisors is an integer number (842672460).

Almost surely, 2^20000311012 is an apocalyptic number.

20000311012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000311012 is an abundant number, since it is smaller than the sum of its proper divisors (20447967068).

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

20000311012 is a wasteful number, since it uses less digits than its factorization.

20000311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152572 (or 152570 counting only the distinct ones).

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

Adding to 20000311012 its reverse (21011300002), we get a palindrome (41011611014).

The spelling of 20000311012 in words is "twenty billion, three hundred eleven thousand, twelve".