20225543211 has 32 divisors (see below), whose sum is σ = 30873024000. Its totient is φ = 13076886240.

The previous prime is 20225543207. The next prime is 20225543213. The reversal of 20225543211 is 11234552202.

20225543211 is a `hidden beast` number, since 2 + 0 + 225 + 5 + 432 + 1 + 1 = 666.

It is not a de Polignac number, because 20225543211 - 2² = 20225543207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20225543213) 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, 278140 + ... + 343238.

It is an arithmetic number, because the mean of its divisors is an integer number (964782000).

Almost surely, 2^20225543211 is an apocalyptic number.

20225543211 is a deficient number, since it is larger than the sum of its proper divisors (10647480789).

20225543211 is a wasteful number, since it uses less digits than its factorization.

20225543211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65456 (or 65450 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

It can be divided in two parts, 2022 and 5543211, that added together give a cube (5545233 = 177³).

The spelling of 20225543211 in words is "twenty billion, two hundred twenty-five million, five hundred forty-three thousand, two hundred eleven".