20530401102124 has 12 divisors (see below), whose sum is σ = 36537154504200. Its totient is φ = 10091214100928.

The previous prime is 20530401102109. The next prime is 20530401102161. The reversal of 20530401102124 is 42120110403502.

It is a super-2 number, since 2×20530401102124² (a number of 27 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, 43496612269 + ... + 43496612740.

It is an arithmetic number, because the mean of its divisors is an integer number (3044762875350).

Almost surely, 2^{20530401102124} is an apocalyptic number.

It is an amenable number.

20530401102124 is a deficient number, since it is larger than the sum of its proper divisors (16006753402076).

20530401102124 is a wasteful number, since it uses less digits than its factorization.

20530401102124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86993225072 (or 86993225070 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20530401102124 its reverse (42120110403502), we get a palindrome (62650511505626).

The spelling of 20530401102124 in words is "twenty trillion, five hundred thirty billion, four hundred one million, one hundred two thousand, one hundred twenty-four".