20021011201 has 8 divisors (see below), whose sum is σ = 20704649984. Its totient is φ = 19339734960.

The previous prime is 20021011103. The next prime is 20021011229. The reversal of 20021011201 is 10211012002.

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 20021011201 - 2¹¹ = 20021009153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021011291) 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 7 ways as a sum of consecutive naturals, for example, 573390 + ... + 607303.

It is an arithmetic number, because the mean of its divisors is an integer number (2588081248).

Almost surely, 2^20021011201 is an apocalyptic number.

It is an amenable number.

20021011201 is a deficient number, since it is larger than the sum of its proper divisors (683638783).

20021011201 is a wasteful number, since it uses less digits than its factorization.

20021011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181271.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20021011201 its reverse (10211012002), we get a palindrome (30232023203).

The spelling of 20021011201 in words is "twenty billion, twenty-one million, eleven thousand, two hundred one".