2956371220 has 36 divisors (see below), whose sum is σ = 6824092212. Its totient is φ = 1075043200.

The previous prime is 2956371211. The next prime is 2956371227. The reversal of 2956371220 is 221736592.

It can be written as a sum of positive squares in 2 ways, for example, as 393784336 + 2562586884 = 19844^2 + 50622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2956371220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2956371227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608401 + ... + 613240.

It is an arithmetic number, because the mean of its divisors is an integer number (189558117).

Almost surely, 2^2956371220 is an apocalyptic number.

2956371220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2956371220 is an abundant number, since it is smaller than the sum of its proper divisors (3867720992).

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

2956371220 is a wasteful number, since it uses less digits than its factorization.

2956371220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221672 (or 1221659 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2956371220 is about 54372.5226562094. The cubic root of 2956371220 is about 1435.2238915434.

The spelling of 2956371220 in words is "two billion, nine hundred fifty-six million, three hundred seventy-one thousand, two hundred twenty".