20254315005 has 64 divisors (see below), whose sum is σ = 36435210240. Its totient is φ = 10674504000.

The previous prime is 20254314991. The next prime is 20254315013. The reversal of 20254315005 is 50051345202.

It is a happy number.

It is not a de Polignac number, because 20254315005 - 2¹¹ = 20254312957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20254315005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7938480 + ... + 7941030.

It is an arithmetic number, because the mean of its divisors is an integer number (569300160).

Almost surely, 2^20254315005 is an apocalyptic number.

It is an amenable number.

20254315005 is a deficient number, since it is larger than the sum of its proper divisors (16180895235).

20254315005 is a wasteful number, since it uses less digits than its factorization.

20254315005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 20254315005 in words is "twenty billion, two hundred fifty-four million, three hundred fifteen thousand, five".