20214131 has 8 divisors (see below), whose sum is σ = 23898720. Its totient is φ = 16728768.

The previous prime is 20214127. The next prime is 20214137. The reversal of 20214131 is 13141202.

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

It is not a de Polignac number, because 20214131 - 2² = 20214127 is a prime.

It is a super-2 number, since 2×20214131² = 817222184170322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49586 + ... + 49991.

It is an arithmetic number, because the mean of its divisors is an integer number (2987340).

Almost surely, 2^20214131 is an apocalyptic number.

20214131 is a deficient number, since it is larger than the sum of its proper divisors (3684589).

20214131 is an equidigital number, since it uses as much as digits as its factorization.

20214131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99613.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20214131 is about 4496.0127891277. The cubic root of 20214131 is about 272.4070597394.

Adding to 20214131 its reverse (13141202), we get a palindrome (33355333).

The spelling of 20214131 in words is "twenty million, two hundred fourteen thousand, one hundred thirty-one".