20040433412 has 12 divisors (see below), whose sum is σ = 36280095180. Its totient is φ = 9674691936.

The previous prime is 20040433411. The next prime is 20040433423. The reversal of 20040433412 is 21433404002.

It can be written as a sum of positive squares in 2 ways, for example, as 5540420356 + 14500013056 = 74434^2 + 120416^2 .

It is not an unprimeable number, because it can be changed into a prime (20040433411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86381063 + ... + 86381294.

It is an arithmetic number, because the mean of its divisors is an integer number (3023341265).

Almost surely, 2^20040433412 is an apocalyptic number.

It is an amenable number.

20040433412 is a deficient number, since it is larger than the sum of its proper divisors (16239661768).

20040433412 is a wasteful number, since it uses less digits than its factorization.

20040433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172762390 (or 172762388 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20040433412 its reverse (21433404002), we get a palindrome (41473837414).

The spelling of 20040433412 in words is "twenty billion, forty million, four hundred thirty-three thousand, four hundred twelve".