20100020234536 has 32 divisors (see below), whose sum is σ = 41727314746080. Its totient is φ = 9000009057600.

The previous prime is 20100020234521. The next prime is 20100020234549. The reversal of 20100020234536 is 63543202000102.

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, 1704541275 + ... + 1704553066.

It is an arithmetic number, because the mean of its divisors is an integer number (1303978585815).

Almost surely, 2^{20100020234536} is an apocalyptic number.

It is an amenable number.

20100020234536 is an abundant number, since it is smaller than the sum of its proper divisors (21627294511544).

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

20100020234536 is a wasteful number, since it uses less digits than its factorization.

20100020234536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409094425 (or 3409094421 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20100020234536 its reverse (63543202000102), we get a palindrome (83643222234638).

The spelling of 20100020234536 in words is "twenty trillion, one hundred billion, twenty million, two hundred thirty-four thousand, five hundred thirty-six".