20135676625246 has 128 divisors (see below), whose sum is σ = 38744261579520. Its totient is φ = 7681834008576.

The previous prime is 20135676625201. The next prime is 20135676625249. The reversal of 20135676625246 is 64252667653102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135676625249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128520910 + ... + 128677486.

It is an arithmetic number, because the mean of its divisors is an integer number (302689543590).

Almost surely, 2^{20135676625246} is an apocalyptic number.

20135676625246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20135676625246 is a deficient number, since it is larger than the sum of its proper divisors (18608584954274).

20135676625246 is a wasteful number, since it uses less digits than its factorization.

20135676625246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156775 (or 156749 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 20135676625246 in words is "twenty trillion, one hundred thirty-five billion, six hundred seventy-six million, six hundred twenty-five thousand, two hundred forty-six".