620620000 has 480 divisors, whose sum is σ = 2116122624. Its totient is φ = 172800000.

The previous prime is 620619991. The next prime is 620620057. The reversal of 620620000 is 26026.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20019985 + ... + 20020015.

Almost surely, 2^620620000 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 620620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058061312).

620620000 is an abundant number, since it is smaller than the sum of its proper divisors (1495502624).

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

620620000 is a wasteful number, since it uses less digits than its factorization.

620620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 620620000 is about 24912.2459846558. The cubic root of 620620000 is about 852.9860376022.

Adding to 620620000 its reverse (26026), we get a palindrome (620646026).

The spelling of 620620000 in words is "six hundred twenty million, six hundred twenty thousand".