20113302412 has 24 divisors (see below), whose sum is σ = 42592876704. Its totient is φ = 8112928512.

The previous prime is 20113302373. The next prime is 20113302431. The reversal of 20113302412 is 21420331102.

It is a happy number.

It is a super-3 number, since 3×20113302412³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113302412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21126943 + ... + 21127894.

It is an arithmetic number, because the mean of its divisors is an integer number (1774703196).

Almost surely, 2^20113302412 is an apocalyptic number.

It is an amenable number.

20113302412 is an abundant number, since it is smaller than the sum of its proper divisors (22479574292).

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

20113302412 is a wasteful number, since it uses less digits than its factorization.

20113302412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42254865 (or 42254863 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20113302412 its reverse (21420331102), we get a palindrome (41533633514).

The spelling of 20113302412 in words is "twenty billion, one hundred thirteen million, three hundred two thousand, four hundred twelve".