20102540224524 has 24 divisors (see below), whose sum is σ = 47248306225008. Its totient is φ = 6651935450880.

The previous prime is 20102540224523. The next prime is 20102540224579. The reversal of 20102540224524 is 42542204520102.

It is a super-2 number, since 2×20102540224524² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20102540224523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6113909617 + ... + 6113912904.

It is an arithmetic number, because the mean of its divisors is an integer number (1968679426042).

Almost surely, 2^{20102540224524} is an apocalyptic number.

It is an amenable number.

20102540224524 is an abundant number, since it is smaller than the sum of its proper divisors (27145766000484).

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

20102540224524 is a wasteful number, since it uses less digits than its factorization.

20102540224524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12227822665 (or 12227822663 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 20102540224524 its reverse (42542204520102), we get a palindrome (62644744744626).

The spelling of 20102540224524 in words is "twenty trillion, one hundred two billion, five hundred forty million, two hundred twenty-four thousand, five hundred twenty-four".