20532000001 has 16 divisors (see below), whose sum is σ = 21697790400. Its totient is φ = 19374882048.

The previous prime is 20531999993. The next prime is 20532000007. The reversal of 20532000001 is 10000023502.

It is a cyclic number.

It is not a de Polignac number, because 20532000001 - 2³ = 20531999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20532000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6658206 + ... + 6661288.

It is an arithmetic number, because the mean of its divisors is an integer number (1356111900).

Almost surely, 2^20532000001 is an apocalyptic number.

20532000001 is the 90625-th centered pentagonal number.

It is an amenable number.

20532000001 is a deficient number, since it is larger than the sum of its proper divisors (1165790399).

20532000001 is a wasteful number, since it uses less digits than its factorization.

20532000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368.

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 20532000001 its reverse (10000023502), we get a palindrome (30532023503).

The spelling of 20532000001 in words is "twenty billion, five hundred thirty-two million, one", and thus it is an aban number.