30520200340540 has 24 divisors (see below), whose sum is σ = 64097547403680. Its totient is φ = 12207103624128.

The previous prime is 30520200340529. The next prime is 30520200340573. The reversal of 30520200340540 is 4504300202503.

It is a junction number, because it is equal to n+sod(n) for n = 30520200340499 and 30520200340508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60775695 + ... + 61275814.

It is an arithmetic number, because the mean of its divisors is an integer number (2670731141820).

Almost surely, 2^{30520200340540} is an apocalyptic number.

It is an amenable number.

30520200340540 is an abundant number, since it is smaller than the sum of its proper divisors (33577347063140).

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

30520200340540 is a wasteful number, since it uses less digits than its factorization.

30520200340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122064021 (or 122064019 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 30520200340540 in words is "thirty trillion, five hundred twenty billion, two hundred million, three hundred forty thousand, five hundred forty".