202420001 has 8 divisors (see below), whose sum is σ = 233002560. Its totient is φ = 172253808.

The previous prime is 202419989. The next prime is 202420039. The reversal of 202420001 is 100024202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202420001 - 2⁶ = 202419937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202420051) 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 7 ways as a sum of consecutive naturals, for example, 103046 + ... + 104991.

It is an arithmetic number, because the mean of its divisors is an integer number (29125320).

Almost surely, 2^202420001 is an apocalyptic number.

It is an amenable number.

202420001 is a deficient number, since it is larger than the sum of its proper divisors (30582559).

202420001 is a wasteful number, since it uses less digits than its factorization.

202420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208183.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 202420001 is about 14227.4383147494. The cubic root of 202420001 is about 587.1528062377.

Adding to 202420001 its reverse (100024202), we get a palindrome (302444203).

The spelling of 202420001 in words is "two hundred two million, four hundred twenty thousand, one".