620120632 has 64 divisors (see below), whose sum is σ = 1271347200. Its totient is φ = 282579840.

The previous prime is 620120597. The next prime is 620120647. The reversal of 620120632 is 236021026.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435073 + ... + 436495.

It is an arithmetic number, because the mean of its divisors is an integer number (19864800).

Almost surely, 2^620120632 is an apocalyptic number.

It is an amenable number.

620120632 is an abundant number, since it is smaller than the sum of its proper divisors (651226568).

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

620120632 is a wasteful number, since it uses less digits than its factorization.

620120632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 620120632 is about 24902.2214270133. The cubic root of 620120632 is about 852.7571975028.

Adding to 620120632 its reverse (236021026), we get a palindrome (856141658).

The spelling of 620120632 in words is "six hundred twenty million, one hundred twenty thousand, six hundred thirty-two".