20330345502 has 24 divisors (see below), whose sum is σ = 44087397120. Its totient is φ = 6770887200.

The previous prime is 20330345491. The next prime is 20330345573. The reversal of 20330345502 is 20554303302.

20330345502 is a `hidden beast` number, since 203 + 3 + 0 + 3 + 455 + 0 + 2 = 666.

It is a congruent number.

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, 469927 + ... + 511362.

It is an arithmetic number, because the mean of its divisors is an integer number (1836974880).

Almost surely, 2^20330345502 is an apocalyptic number.

20330345502 is an abundant number, since it is smaller than the sum of its proper divisors (23757051618).

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

20330345502 is a wasteful number, since it uses less digits than its factorization.

20330345502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982448 (or 982445 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 20330345502 its reverse (20554303302), we get a palindrome (40884648804).

The spelling of 20330345502 in words is "twenty billion, three hundred thirty million, three hundred forty-five thousand, five hundred two".