1020331996 has 24 divisors (see below), whose sum is σ = 1896818000. Its totient is φ = 478877184.

The previous prime is 1020331981. The next prime is 1020332009. The reversal of 1020331996 is 6991330201.

It is a super-2 number, since 2×1020331996² = 2082154764122688032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53301 + ... + 69868.

Almost surely, 2^1020331996 is an apocalyptic number.

It is an amenable number.

1020331996 is a deficient number, since it is larger than the sum of its proper divisors (876486004).

1020331996 is a wasteful number, since it uses less digits than its factorization.

1020331996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123301 (or 123299 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1020331996 is about 31942.6360214682. The cubic root of 1020331996 is about 1006.7319116716.

The spelling of 1020331996 in words is "one billion, twenty million, three hundred thirty-one thousand, nine hundred ninety-six".