20375626345 has 16 divisors (see below), whose sum is σ = 25539471360. Its totient is φ = 15585603264.

The previous prime is 20375626289. The next prime is 20375626357. The reversal of 20375626345 is 54362657302.

It is a cyclic number.

It is not a de Polignac number, because 20375626345 - 2⁷ = 20375626217 is a prime.

It is a super-2 number, since 2×20375626345² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667209 + ... + 697078.

It is an arithmetic number, because the mean of its divisors is an integer number (1596216960).

Almost surely, 2^20375626345 is an apocalyptic number.

It is an amenable number.

20375626345 is a deficient number, since it is larger than the sum of its proper divisors (5163845015).

20375626345 is a wasteful number, since it uses less digits than its factorization.

20375626345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364424.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 20375626345 in words is "twenty billion, three hundred seventy-five million, six hundred twenty-six thousand, three hundred forty-five".