20435053241 has 4 divisors (see below), whose sum is σ = 20439066000. Its totient is φ = 20431040484.

The previous prime is 20435053217. The next prime is 20435053259. The reversal of 20435053241 is 14235053402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20435053241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20435053211) 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, 1998731 + ... + 2008928.

It is an arithmetic number, because the mean of its divisors is an integer number (5109766500).

Almost surely, 2^20435053241 is an apocalyptic number.

It is an amenable number.

20435053241 is a deficient number, since it is larger than the sum of its proper divisors (4012759).

20435053241 is an equidigital number, since it uses as much as digits as its factorization.

20435053241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012758.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20435053241 in words is "twenty billion, four hundred thirty-five million, fifty-three thousand, two hundred forty-one".