620895528 has 240 divisors, whose sum is σ = 2009904000. Its totient is φ = 172497600.

The previous prime is 620895503. The next prime is 620895553. The reversal of 620895528 is 825598026.

It is an interprime number because it is at equal distance from previous prime (620895503) and next prime (620895553).

It is a super-2 number, since 2×620895528² = 771022513380797568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20028873 + ... + 20028903.

It is an arithmetic number, because the mean of its divisors is an integer number (8374600).

Almost surely, 2^620895528 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 620895528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004952000).

620895528 is an abundant number, since it is smaller than the sum of its proper divisors (1389008472).

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

620895528 is a wasteful number, since it uses less digits than its factorization.

620895528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 620895528 is about 24917.7753421127. The cubic root of 620895528 is about 853.1122483623.

The spelling of 620895528 in words is "six hundred twenty million, eight hundred ninety-five thousand, five hundred twenty-eight".