911313020 has 48 divisors (see below), whose sum is σ = 1945732320. Its totient is φ = 358465536.

The previous prime is 911312971. The next prime is 911313031. The reversal of 911313020 is 20313119.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 911312983 and 911313001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646076 + ... + 647484.

It is an arithmetic number, because the mean of its divisors is an integer number (40536090).

Almost surely, 2^911313020 is an apocalyptic number.

It is an amenable number.

911313020 is an abundant number, since it is smaller than the sum of its proper divisors (1034419300).

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

911313020 is a wasteful number, since it uses less digits than its factorization.

911313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 911313020 is about 30187.9615078594. The cubic root of 911313020 is about 969.5179593776.

Adding to 911313020 its reverse (20313119), we get a palindrome (931626139).

The spelling of 911313020 in words is "nine hundred eleven million, three hundred thirteen thousand, twenty".