20412042133 has 24 divisors (see below), whose sum is σ = 24838688448. Its totient is φ = 16428279168.

The previous prime is 20412042097. The next prime is 20412042169. The reversal of 20412042133 is 33124021402.

It is an interprime number because it is at equal distance from previous prime (20412042097) and next prime (20412042169).

It is a de Polignac number, because none of the positive numbers 2^k-20412042133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412042193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249810 + ... + 321292.

It is an arithmetic number, because the mean of its divisors is an integer number (1034945352).

Almost surely, 2^20412042133 is an apocalyptic number.

It is an amenable number.

20412042133 is a deficient number, since it is larger than the sum of its proper divisors (4426646315).

20412042133 is a wasteful number, since it uses less digits than its factorization.

20412042133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71641 (or 71622 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20412042133 its reverse (33124021402), we get a palindrome (53536063535).

The spelling of 20412042133 in words is "twenty billion, four hundred twelve million, forty-two thousand, one hundred thirty-three".