20020201229 has 4 divisors (see below), whose sum is σ = 22880229984. Its totient is φ = 17160172476.

The previous prime is 20020201183. The next prime is 20020201237. The reversal of 20020201229 is 92210202002.

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.

It is a cyclic number.

It is not a de Polignac number, because 20020201229 - 2²⁰ = 20019152653 is a prime.

It is a super-2 number, since 2×20020201229² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020201229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020206229) 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, 1430014367 + ... + 1430014380.

It is an arithmetic number, because the mean of its divisors is an integer number (5720057496).

Almost surely, 2^20020201229 is an apocalyptic number.

It is an amenable number.

20020201229 is a deficient number, since it is larger than the sum of its proper divisors (2860028755).

20020201229 is an equidigital number, since it uses as much as digits as its factorization.

20020201229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860028754.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20020201229 in words is "twenty billion, twenty million, two hundred one thousand, two hundred twenty-nine".