202029420 has 24 divisors (see below), whose sum is σ = 565682544. Its totient is φ = 53874496.

The previous prime is 202029403. The next prime is 202029431. The reversal of 202029420 is 24920202.

It is an unprimeable number.

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, 1683519 + ... + 1683638.

It is an arithmetic number, because the mean of its divisors is an integer number (23570106).

Almost surely, 2^202029420 is an apocalyptic number.

202029420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202029420 is an abundant number, since it is smaller than the sum of its proper divisors (363653124).

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

202029420 is a wasteful number, since it uses less digits than its factorization.

202029420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367169 (or 3367167 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 202029420 is about 14213.7053578580. The cubic root of 202029420 is about 586.7749147420.

Adding to 202029420 its reverse (24920202), we get a palindrome (226949622).

The spelling of 202029420 in words is "two hundred two million, twenty-nine thousand, four hundred twenty".