2120049936 has 75 divisors (see below), whose sum is σ = 6140840871. Its totient is φ = 706130784.

The previous prime is 2120049913. The next prime is 2120049947. The reversal of 2120049936 is 6399400212.

The square root of 2120049936 is 46044.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2120049936² = 8989223462267208192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2120049936.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1656945 + ... + 1658223.

Almost surely, 2^2120049936 is an apocalyptic number.

2120049936 is the 46044-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120049936

2120049936 is an abundant number, since it is smaller than the sum of its proper divisors (4020790935).

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

2120049936 is an frugal number, since it uses more digits than its factorization.

2120049936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The cubic root of 2120049936 is about 1284.6417440117.

Multiplying 2120049936 by its sum of digits (36), we get a square (76321797696 = 276264²).

2120049936 divided by its sum of digits (36) gives a square (58890276 = 7674²).

The spelling of 2120049936 in words is "two billion, one hundred twenty million, forty-nine thousand, nine hundred thirty-six".