20124302212 has 24 divisors (see below), whose sum is σ = 40930787520. Its totient is φ = 8478518880.

The previous prime is 20124302197. The next prime is 20124302291. The reversal of 20124302212 is 21220342102.

It is a self number, because there is not a number n which added to its sum of digits gives 20124302212.

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, 6089239 + ... + 6092542.

It is an arithmetic number, because the mean of its divisors is an integer number (1705449480).

Almost surely, 2^20124302212 is an apocalyptic number.

It is an amenable number.

20124302212 is an abundant number, since it is smaller than the sum of its proper divisors (20806485308).

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

20124302212 is a wasteful number, since it uses less digits than its factorization.

20124302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181851 (or 12181849 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20124302212 its reverse (21220342102), we get a palindrome (41344644314).

The spelling of 20124302212 in words is "twenty billion, one hundred twenty-four million, three hundred two thousand, two hundred twelve".