20300504212 has 24 divisors (see below), whose sum is σ = 36504478080. Its totient is φ = 9870930720.

The previous prime is 20300504179. The next prime is 20300504239. The reversal of 20300504212 is 21240500302.

It is a super-2 number, since 2×20300504212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20300504212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268137 + ... + 335407.

It is an arithmetic number, because the mean of its divisors is an integer number (1521019920).

Almost surely, 2^20300504212 is an apocalyptic number.

It is an amenable number.

20300504212 is a deficient number, since it is larger than the sum of its proper divisors (16203973868).

20300504212 is a wasteful number, since it uses less digits than its factorization.

20300504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69351 (or 69349 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The spelling of 20300504212 in words is "twenty billion, three hundred million, five hundred four thousand, two hundred twelve".