20260563346042 has 32 divisors (see below), whose sum is σ = 31518638280720. Its totient is φ = 9761679083520.

The previous prime is 20260563346027. The next prime is 20260563346043. The reversal of 20260563346042 is 24064336506202.

It can be written as a sum of positive squares in 8 ways, for example, as 2117231615041 + 18143331731001 = 1455071^2 + 4259499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20260563346042.

It is not an unprimeable number, because it can be changed into a prime (20260563346043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023684 + ... + 6679552.

Almost surely, 2^{20260563346042} is an apocalyptic number.

20260563346042 is a deficient number, since it is larger than the sum of its proper divisors (11258074934678).

20260563346042 is a wasteful number, since it uses less digits than its factorization.

20260563346042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656658.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 20260563346042 in words is "twenty trillion, two hundred sixty billion, five hundred sixty-three million, three hundred forty-six thousand, forty-two".