2132667720 has 96 divisors (see below), whose sum is σ = 6937182720. Its totient is φ = 568218240.

The previous prime is 2132667701. The next prime is 2132667721. The reversal of 2132667720 is 277662312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2132667721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 627225 + ... + 630615.

It is an arithmetic number, because the mean of its divisors is an integer number (72262320).

Almost surely, 2^2132667720 is an apocalyptic number.

2132667720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132667720 is an abundant number, since it is smaller than the sum of its proper divisors (4804515000).

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

2132667720 is a wasteful number, since it uses less digits than its factorization.

2132667720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155 (or 5148 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2132667720 is about 46180.8154973469. The cubic root of 2132667720 is about 1287.1852816710.

The spelling of 2132667720 in words is "two billion, one hundred thirty-two million, six hundred sixty-seven thousand, seven hundred twenty".