20266022046 has 8 divisors (see below), whose sum is σ = 40532044104. Its totient is φ = 6755340680.

The previous prime is 20266021987. The next prime is 20266022053. The reversal of 20266022046 is 64022066202.

It is a sphenic number, since it is the product of 3 distinct primes.

20266022046 is an admirable number.

It is a super-2 number, since 2×20266022046² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688835165 + ... + 1688835176.

It is an arithmetic number, because the mean of its divisors is an integer number (5066505513).

Almost surely, 2^20266022046 is an apocalyptic number.

20266022046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20266022046 is a wasteful number, since it uses less digits than its factorization.

20266022046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377670346.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20266022046 its reverse (64022066202), we get a palindrome (84288088248).

The spelling of 20266022046 in words is "twenty billion, two hundred sixty-six million, twenty-two thousand, forty-six".