2039887620 has 36 divisors (see below), whose sum is σ = 6187659660. Its totient is φ = 543969984.

The previous prime is 2039887609. The next prime is 2039887627. The reversal of 2039887620 is 267889302.

It can be written as a sum of positive squares in 2 ways, for example, as 1339120836 + 700766784 = 36594^2 + 26472^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2039887620² = 8322283004458528800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2039887627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5666175 + ... + 5666534.

It is an arithmetic number, because the mean of its divisors is an integer number (171879435).

Almost surely, 2^2039887620 is an apocalyptic number.

2039887620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2039887620 is an abundant number, since it is smaller than the sum of its proper divisors (4147772040).

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

2039887620 is a wasteful number, since it uses less digits than its factorization.

2039887620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332724 (or 11332719 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2039887620 is about 45165.1150779006. The cubic root of 2039887620 is about 1268.2418518198.

The spelling of 2039887620 in words is "two billion, thirty-nine million, eight hundred eighty-seven thousand, six hundred twenty".