20416402460633 has 2 divisors, whose sum is σ = 20416402460634. Its totient is φ = 20416402460632.

The previous prime is 20416402460599. The next prime is 20416402460681. The reversal of 20416402460633 is 33606420461402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20398347701209 + 18054759424 = 4516453^2 + 134368^2 .

It is a cyclic number.

It is not a de Polignac number, because 20416402460633 - 2¹² = 20416402456537 is a prime.

It is a super-2 number, since 2×20416402460633² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20416402460683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208201230316 + 10208201230317.

It is an arithmetic number, because the mean of its divisors is an integer number (10208201230317).

Almost surely, 2^{20416402460633} is an apocalyptic number.

It is an amenable number.

20416402460633 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416402460633 is an equidigital number, since it uses as much as digits as its factorization.

20416402460633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 20416402460633 in words is "twenty trillion, four hundred sixteen billion, four hundred two million, four hundred sixty thousand, six hundred thirty-three".