20040211223 has 8 divisors (see below), whose sum is σ = 20384213760. Its totient is φ = 19696353400.

The previous prime is 20040211157. The next prime is 20040211273. The reversal of 20040211223 is 32211204002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20040211223 - 2¹² = 20040207127 is a prime.

It is a super-2 number, since 2×20040211223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040211273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264386 + ... + 331632.

It is an arithmetic number, because the mean of its divisors is an integer number (2548026720).

Almost surely, 2^20040211223 is an apocalyptic number.

20040211223 is a deficient number, since it is larger than the sum of its proper divisors (344002537).

20040211223 is an equidigital number, since it uses as much as digits as its factorization.

20040211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72357.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20040211223 its reverse (32211204002), we get a palindrome (52251415225).

The spelling of 20040211223 in words is "twenty billion, forty million, two hundred eleven thousand, two hundred twenty-three".