20303434330146 has 24 divisors (see below), whose sum is σ = 47989935689904. Its totient is φ = 6152555857560.

The previous prime is 20303434330099. The next prime is 20303434330237. The reversal of 20303434330146 is 64103343430302.

20303434330146 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 3 + 4 + 343 + 301 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20303434330146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51271298616 + ... + 51271299011.

It is an arithmetic number, because the mean of its divisors is an integer number (1999580653746).

Almost surely, 2^{20303434330146} is an apocalyptic number.

20303434330146 is an abundant number, since it is smaller than the sum of its proper divisors (27686501359758).

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

20303434330146 is a wasteful number, since it uses less digits than its factorization.

20303434330146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102542597646 (or 102542597643 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 20303434330146 its reverse (64103343430302), we get a palindrome (84406777760448).

The spelling of 20303434330146 in words is "twenty trillion, three hundred three billion, four hundred thirty-four million, three hundred thirty thousand, one hundred forty-six".