920001013 has 4 divisors (see below), whose sum is σ = 920135808. Its totient is φ = 919866220.

The previous prime is 920001011. The next prime is 920001023. The reversal of 920001013 is 310100029.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 920001013 - 2¹ = 920001011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56581 + ... + 71002.

It is an arithmetic number, because the mean of its divisors is an integer number (230033952).

Almost surely, 2^920001013 is an apocalyptic number.

It is an amenable number.

920001013 is a deficient number, since it is larger than the sum of its proper divisors (134795).

920001013 is a wasteful number, since it uses less digits than its factorization.

920001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134794.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 920001013 is about 30331.5184750121. The cubic root of 920001013 is about 972.5891831870.

The spelling of 920001013 in words is "nine hundred twenty million, one thousand, thirteen".