20476527425 has 12 divisors (see below), whose sum is σ = 25396616700. Its totient is φ = 16377529920.

The previous prime is 20476527413. The next prime is 20476527427. The reversal of 20476527425 is 52472567402.

It can be written as a sum of positive squares in 6 ways, for example, as 811794064 + 19664733361 = 28492^2 + 140231^2 .

It is not a de Polignac number, because 20476527425 - 2²² = 20472333121 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20476527427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23699 + ... + 203751.

It is an arithmetic number, because the mean of its divisors is an integer number (2116384725).

Almost surely, 2^20476527425 is an apocalyptic number.

20476527425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20476527425 is a deficient number, since it is larger than the sum of its proper divisors (4920089275).

20476527425 is a wasteful number, since it uses less digits than its factorization.

20476527425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184612 (or 184607 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 20476527425 in words is "twenty billion, four hundred seventy-six million, five hundred twenty-seven thousand, four hundred twenty-five".