620365632 has 56 divisors (see below), whose sum is σ = 1737945216. Its totient is φ = 194623488.

The previous prime is 620365619. The next prime is 620365633. The reversal of 620365632 is 236563026.

It is a junction number, because it is equal to n+sod(n) for n = 620365593 and 620365602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620365633) 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, 91768 + ... + 98295.

It is an arithmetic number, because the mean of its divisors is an integer number (31034736).

Almost surely, 2^620365632 is an apocalyptic number.

It is an amenable number.

620365632 is an abundant number, since it is smaller than the sum of its proper divisors (1117579584).

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

620365632 is a wasteful number, since it uses less digits than its factorization.

620365632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190095 (or 190085 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 620365632 is about 24907.1401810806. The cubic root of 620365632 is about 852.8694864104.

The spelling of 620365632 in words is "six hundred twenty million, three hundred sixty-five thousand, six hundred thirty-two".