20546084769 has 32 divisors (see below), whose sum is σ = 31409565696. Its totient is φ = 11702729280.

The previous prime is 20546084731. The next prime is 20546084771. The reversal of 20546084769 is 96748064502.

It is not a de Polignac number, because 20546084769 - 2⁸ = 20546084513 is a prime.

It is a super-2 number, since 2×20546084769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20546084789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12784564 + ... + 12786170.

It is an arithmetic number, because the mean of its divisors is an integer number (981548928).

Almost surely, 2^20546084769 is an apocalyptic number.

It is an amenable number.

20546084769 is a deficient number, since it is larger than the sum of its proper divisors (10863480927).

20546084769 is a wasteful number, since it uses less digits than its factorization.

20546084769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 20546084769 in words is "twenty billion, five hundred forty-six million, eighty-four thousand, seven hundred sixty-nine".