1020717936 has 200 divisors, whose sum is σ = 3435315840. Its totient is φ = 286540416.

The previous prime is 1020717931. The next prime is 1020717967. The reversal of 1020717936 is 6397170201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1020717936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020717931) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 534295 + ... + 536201.

Almost surely, 2^1020717936 is an apocalyptic number.

1020717936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020717936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717657920).

1020717936 is an abundant number, since it is smaller than the sum of its proper divisors (2414597904).

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

1020717936 is a wasteful number, since it uses less digits than its factorization.

1020717936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 1020717936 is about 31948.6765923097. The cubic root of 1020717936 is about 1006.8588275962.

The spelling of 1020717936 in words is "one billion, twenty million, seven hundred seventeen thousand, nine hundred thirty-six".