2120368864 has 24 divisors (see below), whose sum is σ = 4192880328. Its totient is φ = 1055510400.

The previous prime is 2120368853. The next prime is 2120368889. The reversal of 2120368864 is 4688630212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138687 + ... + 153214.

It is an arithmetic number, because the mean of its divisors is an integer number (174703347).

Almost surely, 2^2120368864 is an apocalyptic number.

It is an amenable number.

2120368864 is a deficient number, since it is larger than the sum of its proper divisors (2072511464).

2120368864 is a wasteful number, since it uses less digits than its factorization.

2120368864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292138 (or 292130 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2120368864 is about 46047.4631657380. The cubic root of 2120368864 is about 1284.7061587961.

It can be divided in two parts, 212036 and 8864, that added together give a square (220900 = 470²).

The spelling of 2120368864 in words is "two billion, one hundred twenty million, three hundred sixty-eight thousand, eight hundred sixty-four".