20402030211 has 8 divisors (see below), whose sum is σ = 27203371200. Its totient is φ = 13601021352.

The previous prime is 20402030167. The next prime is 20402030227. The reversal of 20402030211 is 11203020402.

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

It is not a de Polignac number, because 20402030211 - 2¹⁵ = 20401997443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20402037211) 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, 173740 + ... + 266438.

It is an arithmetic number, because the mean of its divisors is an integer number (3400421400).

Almost surely, 2^20402030211 is an apocalyptic number.

20402030211 is a deficient number, since it is larger than the sum of its proper divisors (6801340989).

20402030211 is an equidigital number, since it uses as much as digits as its factorization.

20402030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166065.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20402030211 its reverse (11203020402), we get a palindrome (31605050613).

The spelling of 20402030211 in words is "twenty billion, four hundred two million, thirty thousand, two hundred eleven".