202421414 has 32 divisors (see below), whose sum is σ = 347366880. Its totient is φ = 87639552.

The previous prime is 202421411. The next prime is 202421437. The reversal of 202421414 is 414124202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421411) 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, 184652 + ... + 185744.

It is an arithmetic number, because the mean of its divisors is an integer number (10855215).

Almost surely, 2^202421414 is an apocalyptic number.

202421414 is a deficient number, since it is larger than the sum of its proper divisors (144945466).

202421414 is a wasteful number, since it uses less digits than its factorization.

202421414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 202421414 is about 14227.4879722318. The cubic root of 202421414 is about 587.1541724482.

Adding to 202421414 its reverse (414124202), we get a palindrome (616545616).

The spelling of 202421414 in words is "two hundred two million, four hundred twenty-one thousand, four hundred fourteen".