20467291066 has 32 divisors (see below), whose sum is σ = 33229025280. Its totient is φ = 9418073856.

The previous prime is 20467291057. The next prime is 20467291067. The reversal of 20467291066 is 66019276402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20467291067) 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, 1933095 + ... + 1943653.

It is an arithmetic number, because the mean of its divisors is an integer number (1038407040).

Almost surely, 2^20467291066 is an apocalyptic number.

20467291066 is a deficient number, since it is larger than the sum of its proper divisors (12761734214).

20467291066 is a wasteful number, since it uses less digits than its factorization.

20467291066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 20467291066 in words is "twenty billion, four hundred sixty-seven million, two hundred ninety-one thousand, sixty-six".