2020102056 has 96 divisors (see below), whose sum is σ = 6280597440. Its totient is φ = 574596864.

The previous prime is 2020102043. The next prime is 2020102067. The reversal of 2020102056 is 6502010202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105580 + ... + 123236.

It is an arithmetic number, because the mean of its divisors is an integer number (65422890).

Almost surely, 2^2020102056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020102056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3140298720).

2020102056 is an abundant number, since it is smaller than the sum of its proper divisors (4260495384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020102056 is a wasteful number, since it uses less digits than its factorization.

2020102056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903 (or 17896 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2020102056 is about 44945.5454522470. The cubic root of 2020102056 is about 1264.1281532325.

Adding to 2020102056 its reverse (6502010202), we get a palindrome (8522112258).

The spelling of 2020102056 in words is "two billion, twenty million, one hundred two thousand, fifty-six".