620911152 has 120 divisors (see below), whose sum is σ = 1803376640. Its totient is φ = 199221120.

The previous prime is 620911147. The next prime is 620911153. The reversal of 620911152 is 251119026.

It is not an unprimeable number, because it can be changed into a prime (620911153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1638099 + ... + 1638477.

Almost surely, 2^620911152 is an apocalyptic number.

620911152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620911152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901688320).

620911152 is an abundant number, since it is smaller than the sum of its proper divisors (1182465488).

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

620911152 is a wasteful number, since it uses less digits than its factorization.

620911152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 620911152 is about 24918.0888512743. The cubic root of 620911152 is about 853.1194041093.

The spelling of 620911152 in words is "six hundred twenty million, nine hundred eleven thousand, one hundred fifty-two".