906111020 has 12 divisors (see below), whose sum is σ = 1902833184. Its totient is φ = 362444400.

The previous prime is 906111001. The next prime is 906111071. The reversal of 906111020 is 20111609.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 45305551 = 906111020 / (9 + 0 + 6 + 1 + 1 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 906110983 and 906111001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22652756 + ... + 22652795.

It is an arithmetic number, because the mean of its divisors is an integer number (158569432).

Almost surely, 2^906111020 is an apocalyptic number.

It is an amenable number.

906111020 is an abundant number, since it is smaller than the sum of its proper divisors (996722164).

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

906111020 is a wasteful number, since it uses less digits than its factorization.

906111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45305560 (or 45305558 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 906111020 is about 30101.6780263161. The cubic root of 906111020 is about 967.6696887143.

Adding to 906111020 its reverse (20111609), we get a palindrome (926222629).

The spelling of 906111020 in words is "nine hundred six million, one hundred eleven thousand, twenty".