20727723862 has 16 divisors (see below), whose sum is σ = 31236730560. Its totient is φ = 10315507968.

The previous prime is 20727723839. The next prime is 20727723917. The reversal of 20727723862 is 26832772702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678643 + ... + 2686369.

It is an arithmetic number, because the mean of its divisors is an integer number (1952295660).

Almost surely, 2^20727723862 is an apocalyptic number.

20727723862 is a deficient number, since it is larger than the sum of its proper divisors (10509006698).

20727723862 is a wasteful number, since it uses less digits than its factorization.

20727723862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 20727723862 in words is "twenty billion, seven hundred twenty-seven million, seven hundred twenty-three thousand, eight hundred sixty-two".