2120442402 has 64 divisors (see below), whose sum is σ = 4948352640. Its totient is φ = 599768064.

The previous prime is 2120442383. The next prime is 2120442437. The reversal of 2120442402 is 2042440212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38424 + ... + 75612.

It is an arithmetic number, because the mean of its divisors is an integer number (77318010).

Almost surely, 2^2120442402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120442402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2474176320).

2120442402 is an abundant number, since it is smaller than the sum of its proper divisors (2827910238).

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

2120442402 is a wasteful number, since it uses less digits than its factorization.

2120442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37267.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2120442402 is about 46048.2616610008. The cubic root of 2120442402 is about 1284.7210105563.

Adding to 2120442402 its reverse (2042440212), we get a palindrome (4162882614).

The spelling of 2120442402 in words is "two billion, one hundred twenty million, four hundred forty-two thousand, four hundred two".