20245354063 has 8 divisors (see below), whose sum is σ = 22097692800. Its totient is φ = 18394990680.

The previous prime is 20245354049. The next prime is 20245354097. The reversal of 20245354063 is 36045354202.

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

It is not a de Polignac number, because 20245354063 - 2³³ = 11655419471 is a prime.

It is a super-2 number, since 2×20245354063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245354163) 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, 472363 + ... + 513436.

It is an arithmetic number, because the mean of its divisors is an integer number (2762211600).

Almost surely, 2^20245354063 is an apocalyptic number.

20245354063 is a deficient number, since it is larger than the sum of its proper divisors (1852338737).

20245354063 is a wasteful number, since it uses less digits than its factorization.

20245354063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987677.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 20245354063 in words is "twenty billion, two hundred forty-five million, three hundred fifty-four thousand, sixty-three".