2147993020 has 24 divisors (see below), whose sum is σ = 4512660768. Its totient is φ = 858840000.

The previous prime is 2147992963. The next prime is 2147993021. The reversal of 2147993020 is 203997412.

It is a super-2 number, since 2×2147993020² = 9227748027937440800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147993021) 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 7 ways as a sum of consecutive naturals, for example, 29970 + ... + 72070.

It is an arithmetic number, because the mean of its divisors is an integer number (188027532).

Almost surely, 2^2147993020 is an apocalyptic number.

2147993020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147993020 is an abundant number, since it is smaller than the sum of its proper divisors (2364667748).

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

2147993020 is a wasteful number, since it uses less digits than its factorization.

2147993020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44661 (or 44659 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2147993020 is about 46346.4456026565. The cubic root of 2147993020 is about 1290.2611533850.

The spelling of 2147993020 in words is "two billion, one hundred forty-seven million, nine hundred ninety-three thousand, twenty".