20533232523 has 8 divisors (see below), whose sum is σ = 27586633536. Its totient is φ = 13584326600.

The previous prime is 20533232521. The next prime is 20533232537. The reversal of 20533232523 is 32523233502.

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 20533232523 - 2¹ = 20533232521 is a prime.

It is a super-2 number, since 2×20533232523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20533232521) 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, 26123313 + ... + 26124098.

It is an arithmetic number, because the mean of its divisors is an integer number (3448329192).

Almost surely, 2^20533232523 is an apocalyptic number.

20533232523 is a deficient number, since it is larger than the sum of its proper divisors (7053401013).

20533232523 is a wasteful number, since it uses less digits than its factorization.

20533232523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52247545.

The product of its (nonzero) digits is 32400, while the sum is 30.

The spelling of 20533232523 in words is "twenty billion, five hundred thirty-three million, two hundred thirty-two thousand, five hundred twenty-three".