20245052049 has 8 divisors (see below), whose sum is σ = 26999829792. Its totient is φ = 13493487840.

The previous prime is 20245052041. The next prime is 20245052057. The reversal of 20245052049 is 94025054202.

It is an interprime number because it is at equal distance from previous prime (20245052041) and next prime (20245052057).

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

It is not a de Polignac number, because 20245052049 - 2³ = 20245052041 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20245052041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788644 + ... + 813909.

It is an arithmetic number, because the mean of its divisors is an integer number (3374978724).

Almost surely, 2^20245052049 is an apocalyptic number.

It is an amenable number.

20245052049 is a deficient number, since it is larger than the sum of its proper divisors (6754777743).

20245052049 is a wasteful number, since it uses less digits than its factorization.

20245052049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606767.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20245052049 in words is "twenty billion, two hundred forty-five million, fifty-two thousand, forty-nine".