616070020 has 24 divisors (see below), whose sum is σ = 1298362968. Its totient is φ = 245548800.

The previous prime is 616070009. The next prime is 616070029. The reversal of 616070020 is 20070616.

It can be written as a sum of positive squares in 4 ways, for example, as 132158016 + 483912004 = 11496^2 + 21998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616069973 and 616070000.

It is not an unprimeable number, because it can be changed into a prime (616070029) 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, 49191 + ... + 60430.

It is an arithmetic number, because the mean of its divisors is an integer number (54098457).

Almost surely, 2^616070020 is an apocalyptic number.

It is an amenable number.

616070020 is an abundant number, since it is smaller than the sum of its proper divisors (682292948).

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

616070020 is a wasteful number, since it uses less digits than its factorization.

616070020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109911 (or 109909 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 616070020 is about 24820.7578449974. The cubic root of 616070020 is about 850.8964107136.

The spelling of 616070020 in words is "six hundred sixteen million, seventy thousand, twenty".