20364154402263 has 16 divisors (see below), whose sum is σ = 31031786962176. Its totient is φ = 11636399206080.

The previous prime is 20364154402231. The next prime is 20364154402271. The reversal of 20364154402263 is 36220445146302.

It is a happy number.

It is not a de Polignac number, because 20364154402263 - 2⁵ = 20364154402231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364154402283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9889606 + ... + 11769987.

It is an arithmetic number, because the mean of its divisors is an integer number (1939486685136).

Almost surely, 2^{20364154402263} is an apocalyptic number.

20364154402263 is a deficient number, since it is larger than the sum of its proper divisors (10667632559913).

20364154402263 is a wasteful number, since it uses less digits than its factorization.

20364154402263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704374.

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 20364154402263 its reverse (36220445146302), we get a palindrome (56584599548565).

The spelling of 20364154402263 in words is "twenty trillion, three hundred sixty-four billion, one hundred fifty-four million, four hundred two thousand, two hundred sixty-three".