1947150220 has 24 divisors (see below), whose sum is σ = 4104936864. Its totient is φ = 775827456.

The previous prime is 1947150187. The next prime is 1947150259. The reversal of 1947150220 is 220517491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184272 + ... + 194551.

It is an arithmetic number, because the mean of its divisors is an integer number (171039036).

Almost surely, 2^1947150220 is an apocalyptic number.

1947150220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1947150220 is an abundant number, since it is smaller than the sum of its proper divisors (2157786644).

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

1947150220 is a wasteful number, since it uses less digits than its factorization.

1947150220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379089 (or 379087 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1947150220 is about 44126.5251294502. The cubic root of 1947150220 is about 1248.7240783289.

The spelling of 1947150220 in words is "one billion, nine hundred forty-seven million, one hundred fifty thousand, two hundred twenty".