5021720610220 has 24 divisors (see below), whose sum is σ = 10545702175008. Its totient is φ = 2008671312000.

The previous prime is 5021720610217. The next prime is 5021720610223. The reversal of 5021720610220 is 220160271205.

It is an interprime number because it is at equal distance from previous prime (5021720610217) and next prime (5021720610223).

It is not an unprimeable number, because it can be changed into a prime (5021720610223) 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, 1527840 + ... + 3518200.

It is an arithmetic number, because the mean of its divisors is an integer number (439404257292).

Almost surely, 2^{5021720610220} is an apocalyptic number.

It is an amenable number.

5021720610220 is an abundant number, since it is smaller than the sum of its proper divisors (5523981564788).

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

5021720610220 is a wasteful number, since it uses less digits than its factorization.

5021720610220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116521 (or 2116519 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 5021720610220 its reverse (220160271205), we get a palindrome (5241880881425).

The spelling of 5021720610220 in words is "five trillion, twenty-one billion, seven hundred twenty million, six hundred ten thousand, two hundred twenty".