2120131958 has 16 divisors (see below), whose sum is σ = 3635552160. Its totient is φ = 908367936.

The previous prime is 2120131957. The next prime is 2120132057. The reversal of 2120131958 is 8591310212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120131957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33908 + ... + 73416.

It is an arithmetic number, because the mean of its divisors is an integer number (227222010).

Almost surely, 2^2120131958 is an apocalyptic number.

2120131958 is a deficient number, since it is larger than the sum of its proper divisors (1515420202).

2120131958 is a wasteful number, since it uses less digits than its factorization.

2120131958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43351.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 2120131958 is about 46044.8906828977. The cubic root of 2120131958 is about 1284.6583108425.

The spelling of 2120131958 in words is "two billion, one hundred twenty million, one hundred thirty-one thousand, nine hundred fifty-eight".