21433102 has 32 divisors (see below), whose sum is σ = 35769600. Its totient is φ = 9586368.

The previous prime is 21433057. The next prime is 21433103. The reversal of 21433102 is 20133412.

It is a happy number.

It is a super-2 number, since 2×21433102² = 918755722684808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433103) by changing a digit.

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, 119649 + ... + 119827.

It is an arithmetic number, because the mean of its divisors is an integer number (1117800).

Almost surely, 2^21433102 is an apocalyptic number.

21433102 is a deficient number, since it is larger than the sum of its proper divisors (14336498).

21433102 is a wasteful number, since it uses less digits than its factorization.

21433102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 21433102 is about 4629.5898306437. The cubic root of 21433102 is about 277.7761858161.

Adding to 21433102 its reverse (20133412), we get a palindrome (41566514).

The spelling of 21433102 in words is "twenty-one million, four hundred thirty-three thousand, one hundred two".