20450204053 has 8 divisors (see below), whose sum is σ = 20790501120. Its totient is φ = 20111358960.

The previous prime is 20450204039. The next prime is 20450204057. The reversal of 20450204053 is 35040205402.

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 20450204053 - 2²⁵ = 20416649621 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 (20450204057) 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, 334573 + ... + 390946.

It is an arithmetic number, because the mean of its divisors is an integer number (2598812640).

Almost surely, 2^20450204053 is an apocalyptic number.

It is an amenable number.

20450204053 is a deficient number, since it is larger than the sum of its proper divisors (340297067).

20450204053 is an equidigital number, since it uses as much as digits as its factorization.

20450204053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725987.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20450204053 its reverse (35040205402), we get a palindrome (55490409455).

The spelling of 20450204053 in words is "twenty billion, four hundred fifty million, two hundred four thousand, fifty-three".