20412031043 has 2 divisors, whose sum is σ = 20412031044. Its totient is φ = 20412031042.

The previous prime is 20412031039. The next prime is 20412031177. The reversal of 20412031043 is 34013021402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20412031043 - 2² = 20412031039 is a prime.

It is a super-2 number, since 2×20412031043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20412031643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206015521 + 10206015522.

It is an arithmetic number, because the mean of its divisors is an integer number (10206015522).

Almost surely, 2^20412031043 is an apocalyptic number.

20412031043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412031043 is an equidigital number, since it uses as much as digits as its factorization.

20412031043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20412031043 its reverse (34013021402), we get a palindrome (54425052445).

The spelling of 20412031043 in words is "twenty billion, four hundred twelve million, thirty-one thousand, forty-three".