1020388932 has 36 divisors (see below), whose sum is σ = 2662523136. Its totient is φ = 329157360.

The previous prime is 1020388927. The next prime is 1020388933. The reversal of 1020388932 is 2398830201.

It is a happy number.

1020388932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1020388933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456048 + ... + 458279.

It is an arithmetic number, because the mean of its divisors is an integer number (73958976).

Almost surely, 2^1020388932 is an apocalyptic number.

1020388932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020388932 is an abundant number, since it is smaller than the sum of its proper divisors (1642134204).

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

1020388932 is a wasteful number, since it uses less digits than its factorization.

1020388932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914368 (or 914363 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1020388932 is about 31943.5272316631. The cubic root of 1020388932 is about 1006.7506370218.

The spelling of 1020388932 in words is "one billion, twenty million, three hundred eighty-eight thousand, nine hundred thirty-two".