20356263356051 has 4 divisors (see below), whose sum is σ = 23264300978352. Its totient is φ = 17448225733752.

The previous prime is 20356263356047. The next prime is 20356263356123. The reversal of 20356263356051 is 15065336265302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20356263356051 - 2² = 20356263356047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20356263355987 and 20356263356005.

It is not an unprimeable number, because it can be changed into a prime (20356263656051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454018811140 + ... + 1454018811153.

It is an arithmetic number, because the mean of its divisors is an integer number (5816075244588).

Almost surely, 2^{20356263356051} is an apocalyptic number.

20356263356051 is a deficient number, since it is larger than the sum of its proper divisors (2908037622301).

20356263356051 is an equidigital number, since it uses as much as digits as its factorization.

20356263356051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908037622300.

The product of its (nonzero) digits is 2916000, while the sum is 47.

The spelling of 20356263356051 in words is "twenty trillion, three hundred fifty-six billion, two hundred sixty-three million, three hundred fifty-six thousand, fifty-one".