20135034266651 has 8 divisors (see below), whose sum is σ = 20377765231824. Its totient is φ = 19892306639520.

The previous prime is 20135034266531. The next prime is 20135034266663. The reversal of 20135034266651 is 15666243053102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20135034266651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20135034260651) 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, 12597425 + ... + 14105501.

It is an arithmetic number, because the mean of its divisors is an integer number (2547220653978).

Almost surely, 2^{20135034266651} is an apocalyptic number.

20135034266651 is a deficient number, since it is larger than the sum of its proper divisors (242730965173).

20135034266651 is a wasteful number, since it uses less digits than its factorization.

20135034266651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669021.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20135034266651 in words is "twenty trillion, one hundred thirty-five billion, thirty-four million, two hundred sixty-six thousand, six hundred fifty-one".