20580854755 has 16 divisors (see below), whose sum is σ = 26154580320. Its totient is φ = 15493335552.

The previous prime is 20580854743. The next prime is 20580854807. The reversal of 20580854755 is 55745808502.

It is a cyclic number.

It is not a de Polignac number, because 20580854755 - 2¹¹ = 20580852707 is a prime.

It is a super-2 number, since 2×20580854755² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20580854699 and 20580854708.

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, 523237 + ... + 561193.

It is an arithmetic number, because the mean of its divisors is an integer number (1634661270).

Almost surely, 2^20580854755 is an apocalyptic number.

20580854755 is a deficient number, since it is larger than the sum of its proper divisors (5573725565).

20580854755 is a wasteful number, since it uses less digits than its factorization.

20580854755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44358.

The product of its (nonzero) digits is 2240000, while the sum is 49.

The spelling of 20580854755 in words is "twenty billion, five hundred eighty million, eight hundred fifty-four thousand, seven hundred fifty-five".