20102214 has 24 divisors (see below), whose sum is σ = 44193240. Its totient is φ = 6091360.

The previous prime is 20102213. The next prime is 20102219. The reversal of 20102214 is 41220102.

It is a self number, because there is not a number n which added to its sum of digits gives 20102214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13119 + ... + 14570.

It is an arithmetic number, because the mean of its divisors is an integer number (1841385).

Almost surely, 2^20102214 is an apocalyptic number.

20102214 is an abundant number, since it is smaller than the sum of its proper divisors (24091026).

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

20102214 is a wasteful number, since it uses less digits than its factorization.

20102214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27716 (or 27705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20102214 is about 4483.5492636972. The cubic root of 20102214 is about 271.9033952638.

Adding to 20102214 its reverse (41220102), we get a palindrome (61322316).

It can be divided in two parts, 2010 and 2214, that added together give a palindrome (4224).

The spelling of 20102214 in words is "twenty million, one hundred two thousand, two hundred fourteen".