1032638020 has 12 divisors (see below), whose sum is σ = 2168539884. Its totient is φ = 413055200.

The previous prime is 1032638017. The next prime is 1032638027. The reversal of 1032638020 is 208362301.

1032638020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 289748484 + 742889536 = 17022^2 + 27256^2 .

It is not an unprimeable number, because it can be changed into a prime (1032638027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25815931 + ... + 25815970.

It is an arithmetic number, because the mean of its divisors is an integer number (180711657).

Almost surely, 2^1032638020 is an apocalyptic number.

1032638020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032638020 is an abundant number, since it is smaller than the sum of its proper divisors (1135901864).

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

1032638020 is a wasteful number, since it uses less digits than its factorization.

1032638020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51631910 (or 51631908 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1032638020 is about 32134.6856216145. The cubic root of 1032638020 is about 1010.7630804860.

The spelling of 1032638020 in words is "one billion, thirty-two million, six hundred thirty-eight thousand, twenty".