20346332515106 has 8 divisors (see below), whose sum is σ = 32867152524444. Its totient is φ = 9390615006960.

The previous prime is 20346332515073. The next prime is 20346332515111. The reversal of 20346332515106 is 60151523364302.

It can be written as a sum of positive squares in 2 ways, for example, as 15174460584481 + 5171871930625 = 3895441^2 + 2274175^2 .

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, 391275625265 + ... + 391275625316.

Almost surely, 2^{20346332515106} is an apocalyptic number.

20346332515106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20346332515106 is a deficient number, since it is larger than the sum of its proper divisors (12520820009338).

20346332515106 is a wasteful number, since it uses less digits than its factorization.

20346332515106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782551250596.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 20346332515106 its reverse (60151523364302), we get a palindrome (80497855879408).

The spelling of 20346332515106 in words is "twenty trillion, three hundred forty-six billion, three hundred thirty-two million, five hundred fifteen thousand, one hundred six".