20641053045 has 16 divisors (see below), whose sum is σ = 33038845632. Its totient is φ = 11004174720.

The previous prime is 20641053029. The next prime is 20641053067. The reversal of 20641053045 is 54035014602.

It is not a de Polignac number, because 20641053045 - 2⁴ = 20641053029 is a prime.

It is a super-4 number, since 4×20641053045⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235107 + ... + 310736.

It is an arithmetic number, because the mean of its divisors is an integer number (2064927852).

Almost surely, 2^20641053045 is an apocalyptic number.

It is an amenable number.

20641053045 is a deficient number, since it is larger than the sum of its proper divisors (12397792587).

20641053045 is a wasteful number, since it uses less digits than its factorization.

20641053045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548372.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20641053045 its reverse (54035014602), we get a palindrome (74676067647).

The spelling of 20641053045 in words is "twenty billion, six hundred forty-one million, fifty-three thousand, forty-five".