20332031047 has 2 divisors, whose sum is σ = 20332031048. Its totient is φ = 20332031046.

The previous prime is 20332030973. The next prime is 20332031087. The reversal of 20332031047 is 74013023302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20332031047 - 2¹⁹ = 20331506759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332031087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166015523 + 10166015524.

It is an arithmetic number, because the mean of its divisors is an integer number (10166015524).

Almost surely, 2^20332031047 is an apocalyptic number.

20332031047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332031047 is an equidigital number, since it uses as much as digits as its factorization.

20332031047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 20332031047 its reverse (74013023302), we get a palindrome (94345054349).

The spelling of 20332031047 in words is "twenty billion, three hundred thirty-two million, thirty-one thousand, forty-seven".