20023300007551 has 8 divisors (see below), whose sum is σ = 20048334826400. Its totient is φ = 19998276973920.

The previous prime is 20023300007533. The next prime is 20023300007591. The reversal of 20023300007551 is 15570000332002.

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 20023300007551 - 2³⁵ = 19988940269183 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 (20023300007591) 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, 456310 + ... + 6344668.

It is an arithmetic number, because the mean of its divisors is an integer number (2506041853300).

Almost surely, 2^{20023300007551} is an apocalyptic number.

20023300007551 is a deficient number, since it is larger than the sum of its proper divisors (25034818849).

20023300007551 is a wasteful number, since it uses less digits than its factorization.

20023300007551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892609.

The product of its (nonzero) digits is 6300, while the sum is 28.

Adding to 20023300007551 its reverse (15570000332002), we get a palindrome (35593300339553).

The spelling of 20023300007551 in words is "twenty trillion, twenty-three billion, three hundred million, seven thousand, five hundred fifty-one".