620105088 has 64 divisors (see below), whose sum is σ = 1678287600. Its totient is φ = 202795008.

The previous prime is 620105081. The next prime is 620105099. The reversal of 620105088 is 880501026.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620105081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118 + ... + 35586.

Almost surely, 2^620105088 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 620105088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839143800).

620105088 is an abundant number, since it is smaller than the sum of its proper divisors (1058182512).

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

620105088 is a wasteful number, since it uses less digits than its factorization.

620105088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30539 (or 30527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 620105088 is about 24901.9093243872. The cubic root of 620105088 is about 852.7500723469.

The spelling of 620105088 in words is "six hundred twenty million, one hundred five thousand, eighty-eight".