20345233205602 has 64 divisors (see below), whose sum is σ = 32440894709760. Its totient is φ = 9555457766400.

The previous prime is 20345233205513. The next prime is 20345233205629. The reversal of 20345233205602 is 20650233254302.

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, 200832399 + ... + 200933677.

It is an arithmetic number, because the mean of its divisors is an integer number (506888979840).

Almost surely, 2^{20345233205602} is an apocalyptic number.

20345233205602 is a deficient number, since it is larger than the sum of its proper divisors (12095661504158).

20345233205602 is a wasteful number, since it uses less digits than its factorization.

20345233205602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102019.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 20345233205602 its reverse (20650233254302), we get a palindrome (40995466459904).

The spelling of 20345233205602 in words is "twenty trillion, three hundred forty-five billion, two hundred thirty-three million, two hundred five thousand, six hundred two".