920620 has 24 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 364800.

The previous prime is 920609. The next prime is 920641. The reversal of 920620 is 26029.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (81312).

2⁹²⁰⁶²⁰ is an apocalyptic number.

It is an amenable number.

920620 is an abundant number, since it is smaller than the sum of its proper divisors (1030868).

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

920620 is a wasteful number, since it uses less digits than its factorization.

920620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 920620 is about 959.4894475709. The cubic root of 920620 is about 97.2807257257.

Adding to 920620 its reverse (26029), we get a palindrome (946649).

It can be divided in two parts, 920 and 620, that added together give a triangular number (1540 = T₅₅).

The spelling of 920620 in words is "nine hundred twenty thousand, six hundred twenty".