1938303020 has 12 divisors (see below), whose sum is σ = 4070436384. Its totient is φ = 775321200.

The previous prime is 1938303011. The next prime is 1938303043. The reversal of 1938303020 is 203038391.

It is a super-2 number, since 2×1938303020² = 7514037194682240800, which contains 22 as substring.

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, 48457556 + ... + 48457595.

It is an arithmetic number, because the mean of its divisors is an integer number (339203032).

Almost surely, 2^1938303020 is an apocalyptic number.

1938303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1938303020 is an abundant number, since it is smaller than the sum of its proper divisors (2132133364).

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

1938303020 is a wasteful number, since it uses less digits than its factorization.

1938303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96915160 (or 96915158 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1938303020 is about 44026.1629034373. The cubic root of 1938303020 is about 1246.8299449971.

The spelling of 1938303020 in words is "one billion, nine hundred thirty-eight million, three hundred three thousand, twenty".