20135625155612 has 12 divisors (see below), whose sum is σ = 35237375496960. Its totient is φ = 10067803585056.

The previous prime is 20135625155599. The next prime is 20135625155623. The reversal of 20135625155612 is 21655152653102.

It is a congruent number.

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, 7225253 + ... + 9616419.

It is an arithmetic number, because the mean of its divisors is an integer number (2936447958080).

Almost surely, 2^{20135625155612} is an apocalyptic number.

It is an amenable number.

20135625155612 is a deficient number, since it is larger than the sum of its proper divisors (15101750341348).

20135625155612 is a wasteful number, since it uses less digits than its factorization.

20135625155612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496380 (or 4496378 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 20135625155612 in words is "twenty trillion, one hundred thirty-five billion, six hundred twenty-five million, one hundred fifty-five thousand, six hundred twelve".