20532435201 has 16 divisors (see below), whose sum is σ = 30506097600. Its totient is φ = 13648836384.

The previous prime is 20532435173. The next prime is 20532435211. The reversal of 20532435201 is 10253423502.

It is a happy number.

20532435201 is a `hidden beast` number, since 20 + 5 + 3 + 2 + 435 + 201 = 666.

It is not a de Polignac number, because 20532435201 - 2⁵ = 20532435169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20532435211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086396 + ... + 1105133.

It is an arithmetic number, because the mean of its divisors is an integer number (1906631100).

Almost surely, 2^20532435201 is an apocalyptic number.

It is an amenable number.

20532435201 is a deficient number, since it is larger than the sum of its proper divisors (9973662399).

20532435201 is a wasteful number, since it uses less digits than its factorization.

20532435201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191885 (or 2191879 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20532435201 its reverse (10253423502), we get a palindrome (30785858703).

The spelling of 20532435201 in words is "twenty billion, five hundred thirty-two million, four hundred thirty-five thousand, two hundred one".