20719158675 has 12 divisors (see below), whose sum is σ = 34255675800. Its totient is φ = 11050217920.

The previous prime is 20719158659. The next prime is 20719158709. The reversal of 20719158675 is 57685191702.

It is not a de Polignac number, because 20719158675 - 2⁴ = 20719158659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138127650 + ... + 138127799.

It is an arithmetic number, because the mean of its divisors is an integer number (2854639650).

Almost surely, 2^20719158675 is an apocalyptic number.

20719158675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20719158675 is a deficient number, since it is larger than the sum of its proper divisors (13536517125).

20719158675 is a wasteful number, since it uses less digits than its factorization.

20719158675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276255462 (or 276255457 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 20719158675 in words is "twenty billion, seven hundred nineteen million, one hundred fifty-eight thousand, six hundred seventy-five".