1020706995 has 144 divisors (see below), whose sum is σ = 2183328000. Its totient is φ = 404933760.

The previous prime is 1020706991. The next prime is 1020707033. The reversal of 1020706995 is 5996070201.

It is not a de Polignac number, because 1020706995 - 2² = 1020706991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020706991) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2045256 + ... + 2045754.

It is an arithmetic number, because the mean of its divisors is an integer number (15162000).

Almost surely, 2^1020706995 is an apocalyptic number.

1020706995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020706995 is an abundant number, since it is smaller than the sum of its proper divisors (1162621005).

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

1020706995 is a wasteful number, since it uses less digits than its factorization.

1020706995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1020706995 is about 31948.5053641012. The cubic root of 1020706995 is about 1006.8552301016.

The spelling of 1020706995 in words is "one billion, twenty million, seven hundred six thousand, nine hundred ninety-five".