2120485388 has 36 divisors (see below), whose sum is σ = 4323516120. Its totient is φ = 907345152.

The previous prime is 2120485387. The next prime is 2120485459. The reversal of 2120485388 is 8835840212.

It is not an unprimeable number, because it can be changed into a prime (2120485387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120956 + ... + 137372.

It is an arithmetic number, because the mean of its divisors is an integer number (120097670).

Almost surely, 2^2120485388 is an apocalyptic number.

2120485388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2120485388 is an abundant number, since it is smaller than the sum of its proper divisors (2203030732).

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

2120485388 is a wasteful number, since it uses less digits than its factorization.

2120485388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17094 (or 17085 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 2120485388 is about 46048.7284080679. The cubic root of 2120485388 is about 1284.7296918648.

The spelling of 2120485388 in words is "two billion, one hundred twenty million, four hundred eighty-five thousand, three hundred eighty-eight".