20462144501 has 2 divisors, whose sum is σ = 20462144502. Its totient is φ = 20462144500.

The previous prime is 20462144489. The next prime is 20462144609. The reversal of 20462144501 is 10544126402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18576327025 + 1885817476 = 136295^2 + 43426^2 .

It is a cyclic number.

It is not a de Polignac number, because 20462144501 - 2¹⁰ = 20462143477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20462114501) 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, 10231072250 + 10231072251.

It is an arithmetic number, because the mean of its divisors is an integer number (10231072251).

Almost surely, 2^20462144501 is an apocalyptic number.

It is an amenable number.

20462144501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20462144501 is an equidigital number, since it uses as much as digits as its factorization.

20462144501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 20462144501 in words is "twenty billion, four hundred sixty-two million, one hundred forty-four thousand, five hundred one".