620320372 has 12 divisors (see below), whose sum is σ = 1240640800. Its totient is φ = 265851576.

The previous prime is 620320369. The next prime is 620320381. The reversal of 620320372 is 273023026.

620320372 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11077122 + ... + 11077177.

Almost surely, 2^620320372 is an apocalyptic number.

It is an amenable number.

620320372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

620320372 is a wasteful number, since it uses less digits than its factorization.

620320372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22154310 (or 22154308 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 620320372 is about 24906.2315897046. The cubic root of 620320372 is about 852.8487449800.

Adding to 620320372 its reverse (273023026), we get a palindrome (893343398).

The spelling of 620320372 in words is "six hundred twenty million, three hundred twenty thousand, three hundred seventy-two".