20246211 has 6 divisors (see below), whose sum is σ = 29244540. Its totient is φ = 13497468.

The previous prime is 20246197. The next prime is 20246221. The reversal of 20246211 is 11264202.

20246211 is a `hidden beast` number, since 20 + 24 + 621 + 1 = 666.

It is not a de Polignac number, because 20246211 - 2⁹ = 20245699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20246221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124781 + ... + 1124798.

It is an arithmetic number, because the mean of its divisors is an integer number (4874090).

Almost surely, 2^20246211 is an apocalyptic number.

20246211 is a deficient number, since it is larger than the sum of its proper divisors (8998329).

20246211 is a wasteful number, since it uses less digits than its factorization.

20246211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249585 (or 2249582 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20246211 is about 4499.5789803047. The cubic root of 20246211 is about 272.5510876917.

Subtracting from 20246211 its reverse (11264202), we obtain a square (8982009 = 2997²).

The spelling of 20246211 in words is "twenty million, two hundred forty-six thousand, two hundred eleven".