20236206572651 has 8 divisors (see below), whose sum is σ = 20522272886784. Its totient is φ = 19950169406440.

The previous prime is 20236206572641. The next prime is 20236206572663. The reversal of 20236206572651 is 15627560263202.

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 20236206572651 - 2⁶ = 20236206572587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20236206572596 and 20236206572605.

It is not an unprimeable number, because it can be changed into a prime (20236206572641) 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, 5886761 + ... + 8667546.

It is an arithmetic number, because the mean of its divisors is an integer number (2565284110848).

Almost surely, 2^{20236206572651} is an apocalyptic number.

20236206572651 is a deficient number, since it is larger than the sum of its proper divisors (286066314133).

20236206572651 is a wasteful number, since it uses less digits than its factorization.

20236206572651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573961.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 20236206572651 in words is "twenty trillion, two hundred thirty-six billion, two hundred six million, five hundred seventy-two thousand, six hundred fifty-one".