1020245916 has 24 divisors (see below), whose sum is σ = 2384645760. Its totient is φ = 339500272.

The previous prime is 1020245899. The next prime is 1020245951. The reversal of 1020245916 is 6195420201.

It is a super-2 number, since 2×1020245916² = 2081803458229358112, 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, 65376 + ... + 79463.

It is an arithmetic number, because the mean of its divisors is an integer number (99360240).

Almost surely, 2^1020245916 is an apocalyptic number.

It is an amenable number.

1020245916 is an abundant number, since it is smaller than the sum of its proper divisors (1364399844).

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

1020245916 is a wasteful number, since it uses less digits than its factorization.

1020245916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145433 (or 145431 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1020245916 is about 31941.2885776388. The cubic root of 1020245916 is about 1006.7035999977.

The spelling of 1020245916 in words is "one billion, twenty million, two hundred forty-five thousand, nine hundred sixteen".