20020211033 has 4 divisors (see below), whose sum is σ = 20026195920. Its totient is φ = 20014226148.

The previous prime is 20020211021. The next prime is 20020211051. The reversal of 20020211033 is 33011202002.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-20020211033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020210999 and 20020211017.

It is not an unprimeable number, because it can be changed into a prime (20020211063) 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, 2987423 + ... + 2994116.

It is an arithmetic number, because the mean of its divisors is an integer number (5006548980).

Almost surely, 2^20020211033 is an apocalyptic number.

It is an amenable number.

20020211033 is a deficient number, since it is larger than the sum of its proper divisors (5984887).

20020211033 is an equidigital number, since it uses as much as digits as its factorization.

20020211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984886.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20020211033 its reverse (33011202002), we get a palindrome (53031413035).

The spelling of 20020211033 in words is "twenty billion, twenty million, two hundred eleven thousand, thirty-three".