20540754051 has 12 divisors (see below), whose sum is σ = 27586201032. Its totient is φ = 13595280864.

The previous prime is 20540754011. The next prime is 20540754071. The reversal of 20540754051 is 15045704502.

It is not a de Polignac number, because 20540754051 - 2⁹ = 20540753539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20540754001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119226 + ... + 235151.

It is an arithmetic number, because the mean of its divisors is an integer number (2298850086).

Almost surely, 2^20540754051 is an apocalyptic number.

20540754051 is a deficient number, since it is larger than the sum of its proper divisors (7045446981).

20540754051 is an equidigital number, since it uses as much as digits as its factorization.

20540754051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354658 (or 354519 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The spelling of 20540754051 in words is "twenty billion, five hundred forty million, seven hundred fifty-four thousand, fifty-one".