203020001 has 8 divisors (see below), whose sum is σ = 216605664. Its totient is φ = 189616960.

The previous prime is 203019991. The next prime is 203020009. The reversal of 203020001 is 100020302.

203020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203020001 - 2²⁶ = 135911137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203020009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43355 + ... + 47808.

It is an arithmetic number, because the mean of its divisors is an integer number (27075708).

Almost surely, 2^203020001 is an apocalyptic number.

It is an amenable number.

203020001 is a deficient number, since it is larger than the sum of its proper divisors (13585663).

203020001 is a wasteful number, since it uses less digits than its factorization.

203020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91311.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 203020001 is about 14248.5087289863. The cubic root of 203020001 is about 587.7323671739.

Adding to 203020001 its reverse (100020302), we get a palindrome (303040303).

The spelling of 203020001 in words is "two hundred three million, twenty thousand, one".