20412513347 has 2 divisors, whose sum is σ = 20412513348. Its totient is φ = 20412513346.

The previous prime is 20412513299. The next prime is 20412513367. The reversal of 20412513347 is 74331521402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20412513347 - 2¹² = 20412509251 is a prime.

It is a super-2 number, since 2×20412513347² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20412513367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206256673 + 10206256674.

It is an arithmetic number, because the mean of its divisors is an integer number (10206256674).

Almost surely, 2^20412513347 is an apocalyptic number.

20412513347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412513347 is an equidigital number, since it uses as much as digits as its factorization.

20412513347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20412513347 in words is "twenty billion, four hundred twelve million, five hundred thirteen thousand, three hundred forty-seven".