20416002351605 has 16 divisors (see below), whose sum is σ = 27999162330240. Its totient is φ = 13999507774272.

The previous prime is 20416002351571. The next prime is 20416002351607. The reversal of 20416002351605 is 50615320061402.

It is a cyclic number.

It is not a de Polignac number, because 20416002351605 - 2⁶ = 20416002351541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416002351607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25182782 + ... + 25980848.

It is an arithmetic number, because the mean of its divisors is an integer number (1749947645640).

Almost surely, 2^{20416002351605} is an apocalyptic number.

It is an amenable number.

20416002351605 is a deficient number, since it is larger than the sum of its proper divisors (7583159978635).

20416002351605 is an equidigital number, since it uses as much as digits as its factorization.

20416002351605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528988.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20416002351605 in words is "twenty trillion, four hundred sixteen billion, two million, three hundred fifty-one thousand, six hundred five".