20133210412 has 24 divisors (see below), whose sum is σ = 40271597856. Its totient is φ = 8627409408.

The previous prime is 20133210397. The next prime is 20133210463. The reversal of 20133210412 is 21401233102.

It is a happy number.

It is a super-2 number, since 2×20133210412² (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 20133210412.

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, 198108 + ... + 281980.

It is an arithmetic number, because the mean of its divisors is an integer number (1677983244).

Almost surely, 2^20133210412 is an apocalyptic number.

It is an amenable number.

20133210412 is an abundant number, since it is smaller than the sum of its proper divisors (20138387444).

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

20133210412 is a wasteful number, since it uses less digits than its factorization.

20133210412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92457 (or 92455 counting only the distinct ones).

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

Adding to 20133210412 its reverse (21401233102), we get a palindrome (41534443514).

The spelling of 20133210412 in words is "twenty billion, one hundred thirty-three million, two hundred ten thousand, four hundred twelve".