20066202200461 has 16 divisors (see below), whose sum is σ = 20543098460544. Its totient is φ = 19589774186304.

The previous prime is 20066202200449. The next prime is 20066202200467. The reversal of 20066202200461 is 16400220266002.

It is a cyclic number.

It is not a de Polignac number, because 20066202200461 - 2⁷ = 20066202200333 is a prime.

It is a super-2 number, since 2×20066202200461² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066202200467) 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, 829272615 + ... + 829296811.

It is an arithmetic number, because the mean of its divisors is an integer number (1283943653784).

Almost surely, 2^{20066202200461} is an apocalyptic number.

It is an amenable number.

20066202200461 is a deficient number, since it is larger than the sum of its proper divisors (476896260083).

20066202200461 is a wasteful number, since it uses less digits than its factorization.

20066202200461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33060.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20066202200461 its reverse (16400220266002), we get a palindrome (36466422466463).

The spelling of 20066202200461 in words is "twenty trillion, sixty-six billion, two hundred two million, two hundred thousand, four hundred sixty-one".