20346526223244 has 72 divisors (see below), whose sum is σ = 55877923194912. Its totient is φ = 6205067205120.

The previous prime is 20346526223227. The next prime is 20346526223269. The reversal of 20346526223244 is 44232262564302.

20346526223244 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 65 + 262 + 2 + 324 + 4 = 666.

It is a super-2 number, since 2×20346526223244² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20346526223244.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192316512 + ... + 192422279.

It is an arithmetic number, because the mean of its divisors is an integer number (776082266596).

Almost surely, 2^{20346526223244} is an apocalyptic number.

It is an amenable number.

20346526223244 is an abundant number, since it is smaller than the sum of its proper divisors (35531396971668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20346526223244 is a wasteful number, since it uses less digits than its factorization.

20346526223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384738927 (or 384738922 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 45.

Adding to 20346526223244 its reverse (44232262564302), we get a palindrome (64578788787546).

The spelling of 20346526223244 in words is "twenty trillion, three hundred forty-six billion, five hundred twenty-six million, two hundred twenty-three thousand, two hundred forty-four".