20243070461 has 4 divisors (see below), whose sum is σ = 20243984124. Its totient is φ = 20242156800.

The previous prime is 20243070443. The next prime is 20243070473. The reversal of 20243070461 is 16407034202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9214080100 + 11028990361 = 95990^2 + 105019^2 .

It is a cyclic number.

It is not a de Polignac number, because 20243070461 - 2¹⁰ = 20243069437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243070061) 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, 422750 + ... + 468191.

It is an arithmetic number, because the mean of its divisors is an integer number (5060996031).

Almost surely, 2^20243070461 is an apocalyptic number.

It is an amenable number.

20243070461 is a deficient number, since it is larger than the sum of its proper divisors (913663).

20243070461 is an equidigital number, since it uses as much as digits as its factorization.

20243070461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913662.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 20243070461 in words is "twenty billion, two hundred forty-three million, seventy thousand, four hundred sixty-one".