211403413220 has 24 divisors (see below), whose sum is σ = 444484018944. Its totient is φ = 84459107936.

The previous prime is 211403413219. The next prime is 211403413229. The reversal of 211403413220 is 22314304112.

It is not an unprimeable number, because it can be changed into a prime (211403413229) 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, 6374132 + ... + 6407211.

It is an arithmetic number, because the mean of its divisors is an integer number (18520167456).

Almost surely, 2^211403413220 is an apocalyptic number.

211403413220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211403413220 is an abundant number, since it is smaller than the sum of its proper divisors (233080605724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211403413220 is a wasteful number, since it uses less digits than its factorization.

211403413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782179 (or 12782177 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211403413220 its reverse (22314304112), we get a palindrome (233717717332).

The spelling of 211403413220 in words is "two hundred eleven billion, four hundred three million, four hundred thirteen thousand, two hundred twenty".