20363006512146 has 16 divisors (see below), whose sum is σ = 40729724630784. Its totient is φ = 6787050236304.

The previous prime is 20363006512127. The next prime is 20363006512157. The reversal of 20363006512146 is 64121560036302.

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, 154578946 + ... + 154710621.

It is an arithmetic number, because the mean of its divisors is an integer number (2545607789424).

Almost surely, 2^{20363006512146} is an apocalyptic number.

20363006512146 is an abundant number, since it is smaller than the sum of its proper divisors (20366718118638).

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

20363006512146 is a wasteful number, since it uses less digits than its factorization.

20363006512146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309300545.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 20363006512146 its reverse (64121560036302), we get a palindrome (84484566548448).

The spelling of 20363006512146 in words is "twenty trillion, three hundred sixty-three billion, six million, five hundred twelve thousand, one hundred forty-six".