20345032322245 has 16 divisors (see below), whose sum is σ = 25811210880000. Its totient is φ = 15352059307968.

The previous prime is 20345032322203. The next prime is 20345032322297. The reversal of 20345032322245 is 54222323054302.

It is a happy number.

It is not a de Polignac number, because 20345032322245 - 2³¹ = 20342884838597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467572645 + ... + 467616154.

It is an arithmetic number, because the mean of its divisors is an integer number (1613200680000).

Almost surely, 2^{20345032322245} is an apocalyptic number.

It is an amenable number.

20345032322245 is a deficient number, since it is larger than the sum of its proper divisors (5466178557755).

20345032322245 is a wasteful number, since it uses less digits than its factorization.

20345032322245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935189052.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 20345032322245 its reverse (54222323054302), we get a palindrome (74567355376547).

The spelling of 20345032322245 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred twenty-two thousand, two hundred forty-five".