20966466902 has 64 divisors (see below), whose sum is σ = 34615848960. Its totient is φ = 9487497600.

The previous prime is 20966466901. The next prime is 20966466929.

20966466902 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20966466902² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20966466901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38754752 + ... + 38755292.

It is an arithmetic number, because the mean of its divisors is an integer number (540872640).

Almost surely, 2^20966466902 is an apocalyptic number.

20966466902 is a deficient number, since it is larger than the sum of its proper divisors (13649382058).

20966466902 is a wasteful number, since it uses less digits than its factorization.

20966466902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 20966466902 in words is "twenty billion, nine hundred sixty-six million, four hundred sixty-six thousand, nine hundred two".