20672521514 has 16 divisors (see below), whose sum is σ = 31113348000. Its totient is φ = 10301436144.

The previous prime is 20672521511. The next prime is 20672521537. The reversal of 20672521514 is 41512527602.

It is not an unprimeable number, because it can be changed into a prime (20672521511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631897 + ... + 1644515.

It is an arithmetic number, because the mean of its divisors is an integer number (1944584250).

Almost surely, 2^20672521514 is an apocalyptic number.

20672521514 is a deficient number, since it is larger than the sum of its proper divisors (10440826486).

20672521514 is a wasteful number, since it uses less digits than its factorization.

20672521514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15317.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 20672521514 in words is "twenty billion, six hundred seventy-two million, five hundred twenty-one thousand, five hundred fourteen".