20333244012 has 24 divisors (see below), whose sum is σ = 47514751536. Its totient is φ = 6767674368.

The previous prime is 20333243981. The next prime is 20333244013. The reversal of 20333244012 is 21044233302.

It is a super-2 number, since 2×20333244012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20333244013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250793 + ... + 1266944.

It is an arithmetic number, because the mean of its divisors is an integer number (1979781314).

Almost surely, 2^20333244012 is an apocalyptic number.

It is an amenable number.

20333244012 is an abundant number, since it is smaller than the sum of its proper divisors (27181507524).

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

20333244012 is a wasteful number, since it uses less digits than its factorization.

20333244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518417 (or 2518415 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20333244012 its reverse (21044233302), we get a palindrome (41377477314).

The spelling of 20333244012 in words is "twenty billion, three hundred thirty-three million, two hundred forty-four thousand, twelve".