20344315522026 has 64 divisors (see below), whose sum is σ = 42036258410496. Its totient is φ = 6557201865600.

The previous prime is 20344315521967. The next prime is 20344315522031. The reversal of 20344315522026 is 62022551344302.

It is a super-2 number, since 2×20344315522026² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1462876165 + ... + 1462890071.

It is an arithmetic number, because the mean of its divisors is an integer number (656816537664).

Almost surely, 2^{20344315522026} is an apocalyptic number.

20344315522026 is an abundant number, since it is smaller than the sum of its proper divisors (21691942888470).

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

20344315522026 is a wasteful number, since it uses less digits than its factorization.

20344315522026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19947.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20344315522026 its reverse (62022551344302), we get a palindrome (82366866866328).

The spelling of 20344315522026 in words is "twenty trillion, three hundred forty-four billion, three hundred fifteen million, five hundred twenty-two thousand, twenty-six".