20814746954 has 16 divisors (see below), whose sum is σ = 32582668608. Its totient is φ = 9953942592.

The previous prime is 20814746933. The next prime is 20814746963. The reversal of 20814746954 is 45964741802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937874 + ... + 959810.

It is an arithmetic number, because the mean of its divisors is an integer number (2036416788).

Almost surely, 2^20814746954 is an apocalyptic number.

20814746954 is a deficient number, since it is larger than the sum of its proper divisors (11767921654).

20814746954 is a wasteful number, since it uses less digits than its factorization.

20814746954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42589.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 20814746954 in words is "twenty billion, eight hundred fourteen million, seven hundred forty-six thousand, nine hundred fifty-four".