20345026555422 has 96 divisors (see below), whose sum is σ = 50057394210720. Its totient is φ = 5932728023040.

The previous prime is 20345026555339. The next prime is 20345026555457. The reversal of 20345026555422 is 22455562054302.

It is a happy number.

20345026555422 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 50 + 2 + 6 + 55 + 542 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32704279 + ... + 33320562.

It is an arithmetic number, because the mean of its divisors is an integer number (521431189695).

Almost surely, 2^{20345026555422} is an apocalyptic number.

20345026555422 is an abundant number, since it is smaller than the sum of its proper divisors (29712367655298).

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

20345026555422 is a wasteful number, since it uses less digits than its factorization.

20345026555422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66024938 (or 66024935 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 20345026555422 in words is "twenty trillion, three hundred forty-five billion, twenty-six million, five hundred fifty-five thousand, four hundred twenty-two".