2120132394 has 40 divisors (see below), whose sum is σ = 4840321860. Its totient is φ = 693373824.

The previous prime is 2120132359. The next prime is 2120132411. The reversal of 2120132394 is 4932310212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2112597369 + 7535025 = 45963^2 + 2745^2 .

It is a super-2 number, since 2×2120132394² = 8989922736176342472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114879 + ... + 132050.

Almost surely, 2^2120132394 is an apocalyptic number.

2120132394 is an abundant number, since it is smaller than the sum of its proper divisors (2720189466).

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

2120132394 is a wasteful number, since it uses less digits than its factorization.

2120132394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246996 (or 246987 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2120132394 is about 46044.8954174076. The cubic root of 2120132394 is about 1284.6583989048.

The spelling of 2120132394 in words is "two billion, one hundred twenty million, one hundred thirty-two thousand, three hundred ninety-four".