20014561625 has 32 divisors (see below), whose sum is σ = 25165071360. Its totient is φ = 15892320000.

The previous prime is 20014561573. The next prime is 20014561649. The reversal of 20014561625 is 52616541002.

It is not a de Polignac number, because 20014561625 - 2¹² = 20014557529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20014561591 and 20014561600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11377496 + ... + 11379254.

It is an arithmetic number, because the mean of its divisors is an integer number (786408480).

Almost surely, 2^20014561625 is an apocalyptic number.

20014561625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20014561625 is a deficient number, since it is larger than the sum of its proper divisors (5150509735).

20014561625 is a wasteful number, since it uses less digits than its factorization.

20014561625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 20014561625 in words is "twenty billion, fourteen million, five hundred sixty-one thousand, six hundred twenty-five".