20130211033 has 2 divisors, whose sum is σ = 20130211034. Its totient is φ = 20130211032.

The previous prime is 20130211019. The next prime is 20130211063. The reversal of 20130211033 is 33011203102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12359435929 + 7770775104 = 111173^2 + 88152^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130211033 - 2²¹ = 20128113881 is a prime.

It is a super-2 number, since 2×20130211033² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20130210998 and 20130211016.

It is not a weakly prime, because it can be changed into another prime (20130211063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065105516 + 10065105517.

It is an arithmetic number, because the mean of its divisors is an integer number (10065105517).

Almost surely, 2^20130211033 is an apocalyptic number.

It is an amenable number.

20130211033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130211033 is an equidigital number, since it uses as much as digits as its factorization.

20130211033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130211033 its reverse (33011203102), we get a palindrome (53141414135).

The spelling of 20130211033 in words is "twenty billion, one hundred thirty million, two hundred eleven thousand, thirty-three".