20719158676 has 12 divisors (see below), whose sum is σ = 36269927008. Its totient is φ = 10356322392.

The previous prime is 20719158659. The next prime is 20719158709. The reversal of 20719158676 is 67685191702.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799896 + ... + 825391.

Almost surely, 2^20719158676 is an apocalyptic number.

It is an amenable number.

20719158676 is a deficient number, since it is larger than the sum of its proper divisors (15550768332).

20719158676 is a wasteful number, since it uses less digits than its factorization.

20719158676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628478 (or 1628476 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 20719158676 in words is "twenty billion, seven hundred nineteen million, one hundred fifty-eight thousand, six hundred seventy-six".