20461265233 has 8 divisors (see below), whose sum is σ = 20612308640. Its totient is φ = 20310276960.

The previous prime is 20461265207. The next prime is 20461265261. The reversal of 20461265233 is 33256216402.

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

It is a cyclic number.

It is not a de Polignac number, because 20461265233 - 2⁹ = 20461264721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20461265333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007566 + ... + 1027672.

It is an arithmetic number, because the mean of its divisors is an integer number (2576538580).

Almost surely, 2^20461265233 is an apocalyptic number.

It is an amenable number.

20461265233 is a deficient number, since it is larger than the sum of its proper divisors (151043407).

20461265233 is a wasteful number, since it uses less digits than its factorization.

20461265233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27567.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 20461265233 in words is "twenty billion, four hundred sixty-one million, two hundred sixty-five thousand, two hundred thirty-three".