2930071220 has 12 divisors (see below), whose sum is σ = 6153149604. Its totient is φ = 1172028480.

The previous prime is 2930071219. The next prime is 2930071247. The reversal of 2930071220 is 221700392.

It can be written as a sum of positive squares in 2 ways, for example, as 1711642384 + 1218428836 = 41372^2 + 34906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2930071220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73251761 + ... + 73251800.

It is an arithmetic number, because the mean of its divisors is an integer number (512762467).

Almost surely, 2^2930071220 is an apocalyptic number.

2930071220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2930071220 is an abundant number, since it is smaller than the sum of its proper divisors (3223078384).

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

2930071220 is a wasteful number, since it uses less digits than its factorization.

2930071220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146503570 (or 146503568 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2930071220 is about 54130.1322739932. The cubic root of 2930071220 is about 1430.9552715399.

The spelling of 2930071220 in words is "two billion, nine hundred thirty million, seventy-one thousand, two hundred twenty".