20354735202604 has 24 divisors (see below), whose sum is σ = 38958934669200. Its totient is φ = 9228367903680.

The previous prime is 20354735202577. The next prime is 20354735202623. The reversal of 20354735202604 is 40620253745302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594594219 + ... + 594628450.

It is an arithmetic number, because the mean of its divisors is an integer number (1623288944550).

Almost surely, 2^{20354735202604} is an apocalyptic number.

It is an amenable number.

20354735202604 is a deficient number, since it is larger than the sum of its proper divisors (18604199466596).

20354735202604 is a wasteful number, since it uses less digits than its factorization.

20354735202604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189223073 (or 1189223071 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 43.

Adding to 20354735202604 its reverse (40620253745302), we get a palindrome (60974988947906).

The spelling of 20354735202604 in words is "twenty trillion, three hundred fifty-four billion, seven hundred thirty-five million, two hundred two thousand, six hundred four".