2039156920 has 64 divisors (see below), whose sum is σ = 4698570240. Its totient is φ = 796252800.

The previous prime is 2039156897. The next prime is 2039156929. The reversal of 2039156920 is 296519302.

It is a self number, because there is not a number n which added to its sum of digits gives 2039156920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039156929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289035 + ... + 296005.

It is an arithmetic number, because the mean of its divisors is an integer number (73415160).

Almost surely, 2^2039156920 is an apocalyptic number.

2039156920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2039156920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2349285120).

2039156920 is an abundant number, since it is smaller than the sum of its proper divisors (2659413320).

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

2039156920 is a wasteful number, since it uses less digits than its factorization.

2039156920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2039156920 is about 45157.0251455961. The cubic root of 2039156920 is about 1268.0904031184.

The spelling of 2039156920 in words is "two billion, thirty-nine million, one hundred fifty-six thousand, nine hundred twenty".