57020218073 has 16 divisors (see below), whose sum is σ = 71167170816. Its totient is φ = 44479471680.

The previous prime is 57020218061. The next prime is 57020218097. The reversal of 57020218073 is 37081202075.

It is not a de Polignac number, because 57020218073 - 2¹² = 57020213977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57020217073) 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, 4406186 + ... + 4419107.

It is an arithmetic number, because the mean of its divisors is an integer number (4447948176).

Almost surely, 2^57020218073 is an apocalyptic number.

It is an amenable number.

57020218073 is a deficient number, since it is larger than the sum of its proper divisors (14146952743).

57020218073 is a wasteful number, since it uses less digits than its factorization.

57020218073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825384.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 57020218073 in words is "fifty-seven billion, twenty million, two hundred eighteen thousand, seventy-three".