21014202 has 32 divisors (see below), whose sum is σ = 46116864. Its totient is φ = 6330800.

The previous prime is 21014179. The next prime is 21014233. The reversal of 21014202 is 20241012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11773 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (1441152).

Almost surely, 2^21014202 is an apocalyptic number.

21014202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21014202 is an abundant number, since it is smaller than the sum of its proper divisors (25102662).

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

21014202 is a wasteful number, since it uses less digits than its factorization.

21014202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

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

The square root of 21014202 is about 4584.1249982957. The cubic root of 21014202 is about 275.9545976566.

Adding to 21014202 its reverse (20241012), we get a palindrome (41255214).

The spelling of 21014202 in words is "twenty-one million, fourteen thousand, two hundred two".