20118709754 has 32 divisors (see below), whose sum is σ = 36035193600. Its totient is φ = 8303025600.

The previous prime is 20118709733. The next prime is 20118709811. The reversal of 20118709754 is 45790781102.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559154 + ... + 594045.

It is an arithmetic number, because the mean of its divisors is an integer number (1126099800).

Almost surely, 2^20118709754 is an apocalyptic number.

20118709754 is a deficient number, since it is larger than the sum of its proper divisors (15916483846).

20118709754 is a wasteful number, since it uses less digits than its factorization.

20118709754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153286.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 20118709754 in words is "twenty billion, one hundred eighteen million, seven hundred nine thousand, seven hundred fifty-four".