20345032403354 has 8 divisors (see below), whose sum is σ = 32312698523028. Its totient is φ = 9574132895680.

The previous prime is 20345032403341. The next prime is 20345032403363. The reversal of 20345032403354 is 45330423054302.

It can be written as a sum of positive squares in 2 ways, for example, as 19481762854225 + 863269549129 = 4413815^2 + 929123^2 .

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

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, 299191652957 + ... + 299191653024.

Almost surely, 2^{20345032403354} is an apocalyptic number.

20345032403354 is a deficient number, since it is larger than the sum of its proper divisors (11967666119674).

20345032403354 is a wasteful number, since it uses less digits than its factorization.

20345032403354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598383306000.

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 20345032403354 its reverse (45330423054302), we get a palindrome (65675455457656).

The spelling of 20345032403354 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred three thousand, three hundred fifty-four".