20892886918 has 8 divisors (see below), whose sum is σ = 31348221480. Its totient is φ = 10443479760.

The previous prime is 20892886891. The next prime is 20892886979. The reversal of 20892886918 is 81968829802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473028 + ... + 1487143.

It is an arithmetic number, because the mean of its divisors is an integer number (3918527685).

Almost surely, 2^20892886918 is an apocalyptic number.

20892886918 is a deficient number, since it is larger than the sum of its proper divisors (10455334562).

20892886918 is a wasteful number, since it uses less digits than its factorization.

20892886918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963702.

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 20892886918 in words is "twenty billion, eight hundred ninety-two million, eight hundred eighty-six thousand, nine hundred eighteen".