913645020 has 192 divisors, whose sum is σ = 2817884160. Its totient is φ = 220320000.

The previous prime is 913645013. The next prime is 913645027. The reversal of 913645020 is 20546319.

It is an interprime number because it is at equal distance from previous prime (913645013) and next prime (913645027).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913645027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3639895 + ... + 3640145.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^913645020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913645020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408942080).

913645020 is an abundant number, since it is smaller than the sum of its proper divisors (1904239140).

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

913645020 is a wasteful number, since it uses less digits than its factorization.

913645020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 913645020 is about 30226.5614981261. The cubic root of 913645020 is about 970.3442360607.

The spelling of 913645020 in words is "nine hundred thirteen million, six hundred forty-five thousand, twenty".