20672620012 has 24 divisors (see below), whose sum is σ = 39487975632. Its totient is φ = 9391392000.

The previous prime is 20672619977. The next prime is 20672620037. The reversal of 20672620012 is 21002627602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51193 + ... + 209680.

It is an arithmetic number, because the mean of its divisors is an integer number (1645332318).

Almost surely, 2^20672620012 is an apocalyptic number.

20672620012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20672620012 is a deficient number, since it is larger than the sum of its proper divisors (18815355620).

20672620012 is a wasteful number, since it uses less digits than its factorization.

20672620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262689 (or 262687 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 20672620012 in words is "twenty billion, six hundred seventy-two million, six hundred twenty thousand, twelve".