2120560566 has 16 divisors (see below), whose sum is σ = 4339752384. Its totient is φ = 690414984.

The previous prime is 2120560537. The next prime is 2120560573. The reversal of 2120560566 is 6650650212.

It is a happy number.

It is a super-2 number, since 2×2120560566² = 8993554228148480712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109356 + ... + 4109871.

It is an arithmetic number, because the mean of its divisors is an integer number (271234524).

Almost surely, 2^2120560566 is an apocalyptic number.

2120560566 is an abundant number, since it is smaller than the sum of its proper divisors (2219191818).

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

2120560566 is a wasteful number, since it uses less digits than its factorization.

2120560566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219275.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2120560566 is about 46049.5446883028. The cubic root of 2120560566 is about 1284.7448742798.

The spelling of 2120560566 in words is "two billion, one hundred twenty million, five hundred sixty thousand, five hundred sixty-six".