620217104 has 40 divisors (see below), whose sum is σ = 1299000192. Its totient is φ = 285171840.

The previous prime is 620217089. The next prime is 620217139. The reversal of 620217104 is 401712026.

It is a self number, because there is not a number n which added to its sum of digits gives 620217104.

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, 50867 + ... + 61869.

Almost surely, 2^620217104 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 620217104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649500096).

620217104 is an abundant number, since it is smaller than the sum of its proper divisors (678783088).

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

620217104 is a wasteful number, since it uses less digits than its factorization.

620217104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295 (or 11289 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 620217104 is about 24904.1583676301. The cubic root of 620217104 is about 852.8014162792.

The spelling of 620217104 in words is "six hundred twenty million, two hundred seventeen thousand, one hundred four".