20346652324240 has 80 divisors (see below), whose sum is σ = 52033009424256. Its totient is φ = 7398782624640.

The previous prime is 20346652324231. The next prime is 20346652324291. The reversal of 20346652324240 is 4242325664302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 95435652 + ... + 95648611.

Almost surely, 2^{20346652324240} is an apocalyptic number.

20346652324240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20346652324240 is an abundant number, since it is smaller than the sum of its proper divisors (31686357100016).

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

20346652324240 is a wasteful number, since it uses less digits than its factorization.

20346652324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191084309 (or 191084281 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 20346652324240 its reverse (4242325664302), we get a palindrome (24588977988542).

The spelling of 20346652324240 in words is "twenty trillion, three hundred forty-six billion, six hundred fifty-two million, three hundred twenty-four thousand, two hundred forty".