20247624720007 has 2 divisors, whose sum is σ = 20247624720008. Its totient is φ = 20247624720006.

The previous prime is 20247624719999. The next prime is 20247624720019. The reversal of 20247624720007 is 70002742674202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20247624720007 - 2³ = 20247624719999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20247624720067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10123812360003 + 10123812360004.

It is an arithmetic number, because the mean of its divisors is an integer number (10123812360004).

Almost surely, 2^{20247624720007} is an apocalyptic number.

20247624720007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20247624720007 is an equidigital number, since it uses as much as digits as its factorization.

20247624720007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 20247624720007 in words is "twenty trillion, two hundred forty-seven billion, six hundred twenty-four million, seven hundred twenty thousand, seven".