1012020032 has 28 divisors (see below), whose sum is σ = 2009668320. Its totient is φ = 505646976.

The previous prime is 1012020029. The next prime is 1012020043. The reversal of 1012020032 is 2300202101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012019995 and 1012020022.

It is a congruent number.

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, 99269 + ... + 108987.

Almost surely, 2^1012020032 is an apocalyptic number.

It is an amenable number.

1012020032 is a deficient number, since it is larger than the sum of its proper divisors (997648288).

1012020032 is an equidigital number, since it uses as much as digits as its factorization.

1012020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358 (or 11348 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1012020032 is about 31812.2622898781. The cubic root of 1012020032 is about 1003.9907302203.

Adding to 1012020032 its reverse (2300202101), we get a palindrome (3312222133).

The spelling of 1012020032 in words is "one billion, twelve million, twenty thousand, thirty-two".