20023226734156 has 6 divisors (see below), whose sum is σ = 35040646784780. Its totient is φ = 10011613367076.

The previous prime is 20023226734153. The next prime is 20023226734157. The reversal of 20023226734156 is 65143762232002.

It is not an unprimeable number, because it can be changed into a prime (20023226734153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502903341766 + ... + 2502903341773.

Almost surely, 2^{20023226734156} is an apocalyptic number.

It is an amenable number.

20023226734156 is a deficient number, since it is larger than the sum of its proper divisors (15017420050624).

20023226734156 is a wasteful number, since it uses less digits than its factorization.

20023226734156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005806683543 (or 5005806683541 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 20023226734156 its reverse (65143762232002), we get a palindrome (85166988966158).

The spelling of 20023226734156 in words is "twenty trillion, twenty-three billion, two hundred twenty-six million, seven hundred thirty-four thousand, one hundred fifty-six".