20608624425 has 24 divisors (see below), whose sum is σ = 36077217696. Its totient is φ = 10344720640.

The previous prime is 20608624423. The next prime is 20608624429. The reversal of 20608624425 is 52442680602.

It is not a de Polignac number, because 20608624425 - 2¹ = 20608624423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20608624423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8080539 + ... + 8083088.

It is an arithmetic number, because the mean of its divisors is an integer number (1503217404).

Almost surely, 2^20608624425 is an apocalyptic number.

20608624425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20608624425 is a deficient number, since it is larger than the sum of its proper divisors (15468593271).

20608624425 is a wasteful number, since it uses less digits than its factorization.

20608624425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163657 (or 16163652 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 20608624425 in words is "twenty billion, six hundred eight million, six hundred twenty-four thousand, four hundred twenty-five".