20201032001 has 4 divisors (see below), whose sum is σ = 20264757972. Its totient is φ = 20137306032.

The previous prime is 20201031979. The next prime is 20201032003. The reversal of 20201032001 is 10023010202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10023010202 = 2 ⋅5011505101.

It can be written as a sum of positive squares in 2 ways, for example, as 9010565776 + 11190466225 = 94924^2 + 105785^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201032001 - 2¹⁸ = 20200769857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201032003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31862510 + ... + 31863143.

It is an arithmetic number, because the mean of its divisors is an integer number (5066189493).

Almost surely, 2^20201032001 is an apocalyptic number.

It is an amenable number.

20201032001 is a deficient number, since it is larger than the sum of its proper divisors (63725971).

20201032001 is an equidigital number, since it uses as much as digits as its factorization.

20201032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63725970.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20201032001 its reverse (10023010202), we get a palindrome (30224042203).

The spelling of 20201032001 in words is "twenty billion, two hundred one million, thirty-two thousand, one".