1974305220 has 48 divisors (see below), whose sum is σ = 5532289728. Its totient is φ = 526078080.

The previous prime is 1974305159. The next prime is 1974305227. The reversal of 1974305220 is 225034791.

It is a super-2 number, since 2×1974305220² = 7795762203438496800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1974305227) 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, 70947 + ... + 94773.

It is an arithmetic number, because the mean of its divisors is an integer number (115256036).

Almost surely, 2^1974305220 is an apocalyptic number.

1974305220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1974305220 is an abundant number, since it is smaller than the sum of its proper divisors (3557984508).

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

1974305220 is a wasteful number, since it uses less digits than its factorization.

1974305220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25220 (or 25218 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1974305220 is about 44433.1545132686. The cubic root of 1974305220 is about 1254.5022115377.

The spelling of 1974305220 in words is "one billion, nine hundred seventy-four million, three hundred five thousand, two hundred twenty".