1959402220 has 12 divisors (see below), whose sum is σ = 4114744704. Its totient is φ = 783760880.

The previous prime is 1959402191. The next prime is 1959402251. The reversal of 1959402220 is 222049591.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48985036 + ... + 48985075.

It is an arithmetic number, because the mean of its divisors is an integer number (342895392).

Almost surely, 2^1959402220 is an apocalyptic number.

1959402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1959402220 is an abundant number, since it is smaller than the sum of its proper divisors (2155342484).

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

1959402220 is a wasteful number, since it uses less digits than its factorization.

1959402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97970120 (or 97970118 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1959402220 is about 44265.1354905867. The cubic root of 1959402220 is about 1251.3377081854.

The spelling of 1959402220 in words is "one billion, nine hundred fifty-nine million, four hundred two thousand, two hundred twenty".