20523132235 has 32 divisors (see below), whose sum is σ = 26099029440. Its totient is φ = 15466149888.

The previous prime is 20523132197. The next prime is 20523132257. The reversal of 20523132235 is 53223132502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20523132235 - 2²¹ = 20521035083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8933607 + ... + 8935903.

It is an arithmetic number, because the mean of its divisors is an integer number (815594670).

Almost surely, 2^20523132235 is an apocalyptic number.

20523132235 is a deficient number, since it is larger than the sum of its proper divisors (5575897205).

20523132235 is a wasteful number, since it uses less digits than its factorization.

20523132235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 20523132235 its reverse (53223132502), we get a palindrome (73746264737).

The spelling of 20523132235 in words is "twenty billion, five hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-five".