20607121032436 has 24 divisors (see below), whose sum is σ = 37226005074944. Its totient is φ = 9971123833440.

The previous prime is 20607121032419. The next prime is 20607121032439. The reversal of 20607121032436 is 63423012170602.

It is a junction number, because it is equal to n+sod(n) for n = 20607121032395 and 20607121032404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20607121032439) 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, 23191246 + ... + 24063418.

Almost surely, 2^{20607121032436} is an apocalyptic number.

It is an amenable number.

20607121032436 is a deficient number, since it is larger than the sum of its proper divisors (16618884042508).

20607121032436 is a wasteful number, since it uses less digits than its factorization.

20607121032436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062751 (or 1062749 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20607121032436 in words is "twenty trillion, six hundred seven billion, one hundred twenty-one million, thirty-two thousand, four hundred thirty-six".