20372671147 has 2 divisors, whose sum is σ = 20372671148. Its totient is φ = 20372671146.

The previous prime is 20372671103. The next prime is 20372671177. The reversal of 20372671147 is 74117627302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20372671147 is a prime.

It is not a weakly prime, because it can be changed into another prime (20372671177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186335573 + 10186335574.

It is an arithmetic number, because the mean of its divisors is an integer number (10186335574).

Almost surely, 2^20372671147 is an apocalyptic number.

20372671147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20372671147 is an equidigital number, since it uses as much as digits as its factorization.

20372671147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 20372671147 in words is "twenty billion, three hundred seventy-two million, six hundred seventy-one thousand, one hundred forty-seven".