30520413023052 has 48 divisors (see below), whose sum is σ = 71337557491200. Its totient is φ = 10155876595200.

The previous prime is 30520413023039. The next prime is 30520413023071. The reversal of 30520413023052 is 25032031402503.

It is a super-2 number, since 2×30520413023052² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16305052 + ... + 18080252.

It is an arithmetic number, because the mean of its divisors is an integer number (1486199114400).

Almost surely, 2^{30520413023052} is an apocalyptic number.

It is an amenable number.

30520413023052 is an abundant number, since it is smaller than the sum of its proper divisors (40817144468148).

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

30520413023052 is a wasteful number, since it uses less digits than its factorization.

30520413023052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777686 (or 1777684 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 30520413023052 its reverse (25032031402503), we get a palindrome (55552444425555).

The spelling of 30520413023052 in words is "thirty trillion, five hundred twenty billion, four hundred thirteen million, twenty-three thousand, fifty-two".