20750610466 has 8 divisors (see below), whose sum is σ = 31148458524. Its totient is φ = 10367790960.

The previous prime is 20750610437. The next prime is 20750610469. The reversal of 20750610466 is 66401605702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20654001225 + 96609241 = 143715^2 + 9829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20750610469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753685 + ... + 3759208.

Almost surely, 2^20750610466 is an apocalyptic number.

20750610466 is a deficient number, since it is larger than the sum of its proper divisors (10397848058).

20750610466 is a wasteful number, since it uses less digits than its factorization.

20750610466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514276.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20750610466 in words is "twenty billion, seven hundred fifty million, six hundred ten thousand, four hundred sixty-six".