20352135540354 has 8 divisors (see below), whose sum is σ = 40704271080720. Its totient is φ = 6784045180116.

The previous prime is 20352135540313. The next prime is 20352135540389. The reversal of 20352135540354 is 45304553125302.

It is a sphenic number, since it is the product of 3 distinct primes.

20352135540354 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696011295024 + ... + 1696011295035.

It is an arithmetic number, because the mean of its divisors is an integer number (5088033885090).

Almost surely, 2^{20352135540354} is an apocalyptic number.

20352135540354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20352135540354 is a wasteful number, since it uses less digits than its factorization.

20352135540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392022590064.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 20352135540354 its reverse (45304553125302), we get a palindrome (65656688665656).

The spelling of 20352135540354 in words is "twenty trillion, three hundred fifty-two billion, one hundred thirty-five million, five hundred forty thousand, three hundred fifty-four".