20435448063 has 8 divisors (see below), whose sum is σ = 27248483376. Its totient is φ = 13623022400.

The previous prime is 20435448053. The next prime is 20435448071. The reversal of 20435448063 is 36084453402.

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 20435448063 - 2²¹ = 20433350911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435448013) 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, 67428 + ... + 213113.

It is an arithmetic number, because the mean of its divisors is an integer number (3406060422).

Almost surely, 2^20435448063 is an apocalyptic number.

20435448063 is a deficient number, since it is larger than the sum of its proper divisors (6813035313).

20435448063 is a wasteful number, since it uses less digits than its factorization.

20435448063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304825.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 20435448063 in words is "twenty billion, four hundred thirty-five million, four hundred forty-eight thousand, sixty-three".