20530430514120 has 64 divisors (see below), whose sum is σ = 61612552955520. Its totient is φ = 5472891567104.

The previous prime is 20530430514109. The next prime is 20530430514221. The reversal of 20530430514120 is 2141503403502.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 29180652 + ... + 29875931.

It is an arithmetic number, because the mean of its divisors is an integer number (962696139930).

Almost surely, 2^{20530430514120} is an apocalyptic number.

20530430514120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20530430514120 is an abundant number, since it is smaller than the sum of its proper divisors (41082122441400).

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

20530430514120 is a wasteful number, since it uses less digits than its factorization.

20530430514120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59059494 (or 59059490 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20530430514120 its reverse (2141503403502), we get a palindrome (22671933917622).

The spelling of 20530430514120 in words is "twenty trillion, five hundred thirty billion, four hundred thirty million, five hundred fourteen thousand, one hundred twenty".