20330145336 has 32 divisors (see below), whose sum is σ = 50829175440. Its totient is φ = 6776206848.

The previous prime is 20330145313. The next prime is 20330145347. The reversal of 20330145336 is 63354103302.

It is a congruent number.

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, 434640 + ... + 479136.

Almost surely, 2^20330145336 is an apocalyptic number.

It is an amenable number.

20330145336 is an abundant number, since it is smaller than the sum of its proper divisors (30499030104).

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

20330145336 is a wasteful number, since it uses less digits than its factorization.

20330145336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63543 (or 63539 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 20330145336 its reverse (63354103302), we get a palindrome (83684248638).

The spelling of 20330145336 in words is "twenty billion, three hundred thirty million, one hundred forty-five thousand, three hundred thirty-six".