20310122436426 has 12 divisors (see below), whose sum is σ = 44005265278962. Its totient is φ = 6770040812136.

The previous prime is 20310122436421. The next prime is 20310122436427. The reversal of 20310122436426 is 62463422101302.

20310122436426 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 1 + 2 + 2 + 4 + 3 + 642 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19912969136025 + 397153300401 = 4462395^2 + 630201^2 .

It is a super-2 number, since 2×20310122436426² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310122436421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564170067661 + ... + 564170067696.

Almost surely, 2^{20310122436426} is an apocalyptic number.

20310122436426 is an abundant number, since it is smaller than the sum of its proper divisors (23695142842536).

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

20310122436426 is a wasteful number, since it uses less digits than its factorization.

20310122436426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128340135365 (or 1128340135362 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 20310122436426 its reverse (62463422101302), we get a palindrome (82773544537728).

The spelling of 20310122436426 in words is "twenty trillion, three hundred ten billion, one hundred twenty-two million, four hundred thirty-six thousand, four hundred twenty-six".