20020243201 has 4 divisors (see below), whose sum is σ = 22880277952. Its totient is φ = 17160208452.

The previous prime is 20020243189. The next prime is 20020243231. The reversal of 20020243201 is 10234202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10234202002 = 2 ⋅5117101001.

It is a cyclic number.

It is not a de Polignac number, because 20020243201 - 2²³ = 20011854593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020243231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430017365 + ... + 1430017378.

It is an arithmetic number, because the mean of its divisors is an integer number (5720069488).

Almost surely, 2^20020243201 is an apocalyptic number.

It is an amenable number.

20020243201 is a deficient number, since it is larger than the sum of its proper divisors (2860034751).

20020243201 is an equidigital number, since it uses as much as digits as its factorization.

20020243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860034750.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20020243201 its reverse (10234202002), we get a palindrome (30254445203).

The spelling of 20020243201 in words is "twenty billion, twenty million, two hundred forty-three thousand, two hundred one".