20536555151233 has 8 divisors (see below), whose sum is σ = 22411815415200. Its totient is φ = 18662678338080.

The previous prime is 20536555151197. The next prime is 20536555151243. The reversal of 20536555151233 is 33215155563502.

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

It is a cyclic number.

It is not a de Polignac number, because 20536555151233 - 2⁴¹ = 18337531895681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20536555151243) 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, 345831660 + ... + 345891037.

It is an arithmetic number, because the mean of its divisors is an integer number (2801476926900).

Almost surely, 2^{20536555151233} is an apocalyptic number.

It is an amenable number.

20536555151233 is a deficient number, since it is larger than the sum of its proper divisors (1875260263967).

20536555151233 is a wasteful number, since it uses less digits than its factorization.

20536555151233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691725407.

The product of its (nonzero) digits is 2025000, while the sum is 46.

The spelling of 20536555151233 in words is "twenty trillion, five hundred thirty-six billion, five hundred fifty-five million, one hundred fifty-one thousand, two hundred thirty-three".