520205220602 has 8 divisors (see below), whose sum is σ = 780314306112. Its totient is φ = 260100451900.

The previous prime is 520205220533. The next prime is 520205220617. The reversal of 520205220602 is 206022502025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×520205220602² (a number of 24 digits) contains 22 as substring.

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, 758924 + ... + 1271367.

It is an arithmetic number, because the mean of its divisors is an integer number (97539288264).

Almost surely, 2^520205220602 is an apocalyptic number.

520205220602 is a deficient number, since it is larger than the sum of its proper divisors (260109085510).

520205220602 is a wasteful number, since it uses less digits than its factorization.

520205220602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158404.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 520205220602 its reverse (206022502025), we get a palindrome (726227722627).

The spelling of 520205220602 in words is "five hundred twenty billion, two hundred five million, two hundred twenty thousand, six hundred two".