20754868754 has 16 divisors (see below), whose sum is σ = 32494884480. Its totient is φ = 9923490720.

The previous prime is 20754868753. The next prime is 20754868801. The reversal of 20754868754 is 45786845702.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20754868754.

It is not an unprimeable number, because it can be changed into a prime (20754868753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110414 + ... + 231734.

It is an arithmetic number, because the mean of its divisors is an integer number (2030930280).

Almost surely, 2^20754868754 is an apocalyptic number.

20754868754 is a deficient number, since it is larger than the sum of its proper divisors (11740015726).

20754868754 is a wasteful number, since it uses less digits than its factorization.

20754868754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125065.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 20754868754 in words is "twenty billion, seven hundred fifty-four million, eight hundred sixty-eight thousand, seven hundred fifty-four".