2920831000 has 32 divisors (see below), whose sum is σ = 6834746880. Its totient is φ = 1168332000.

The previous prime is 2920830989. The next prime is 2920831009. The reversal of 2920831000 is 1380292.

It is a super-2 number, since 2×2920831000² = 17062507461122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920831009) 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, 1459416 + ... + 1461415.

It is an arithmetic number, because the mean of its divisors is an integer number (213585840).

Almost surely, 2^2920831000 is an apocalyptic number.

2920831000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2920831000 is an abundant number, since it is smaller than the sum of its proper divisors (3913915880).

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

2920831000 is a wasteful number, since it uses less digits than its factorization.

2920831000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920852 (or 2920838 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2920831000 is about 54044.7129699104. The cubic root of 2920831000 is about 1429.4494759267.

The spelling of 2920831000 in words is "two billion, nine hundred twenty million, eight hundred thirty-one thousand".