20755420754 has 32 divisors (see below), whose sum is σ = 34282431360. Its totient is φ = 9380448000.

The previous prime is 20755420723. The next prime is 20755420757. The reversal of 20755420754 is 45702455702.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20755420757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320864 + ... + 380084.

It is an arithmetic number, because the mean of its divisors is an integer number (1071325980).

Almost surely, 2^20755420754 is an apocalyptic number.

20755420754 is a deficient number, since it is larger than the sum of its proper divisors (13527010606).

20755420754 is a wasteful number, since it uses less digits than its factorization.

20755420754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59666.

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 20755420754 in words is "twenty billion, seven hundred fifty-five million, four hundred twenty thousand, seven hundred fifty-four".