20032230211 has 32 divisors (see below), whose sum is σ = 25236973440. Its totient is φ = 15503394816.

The previous prime is 20032230191. The next prime is 20032230247. The reversal of 20032230211 is 11203223002.

It is not a de Polignac number, because 20032230211 - 2²¹ = 20030133059 is a prime.

It is a super-2 number, since 2×20032230211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20032230511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523321 + ... + 560293.

It is an arithmetic number, because the mean of its divisors is an integer number (788655420).

Almost surely, 2^20032230211 is an apocalyptic number.

20032230211 is a deficient number, since it is larger than the sum of its proper divisors (5204743229).

20032230211 is a wasteful number, since it uses less digits than its factorization.

20032230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37183.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20032230211 its reverse (11203223002), we get a palindrome (31235453213).

The spelling of 20032230211 in words is "twenty billion, thirty-two million, two hundred thirty thousand, two hundred eleven".