203040020420401 has 32 divisors (see below), whose sum is σ = 208397393568000. Its totient is φ = 197743508202240.

The previous prime is 203040020420399. The next prime is 203040020420411. The reversal of 203040020420401 is 104024020040302.

It is a happy number.

203040020420401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203040020420401 - 2¹ = 203040020420399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203040020420411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18544155675 + ... + 18544166623.

It is an arithmetic number, because the mean of its divisors is an integer number (6512418549000).

Almost surely, 2^{203040020420401} is an apocalyptic number.

It is an amenable number.

203040020420401 is a deficient number, since it is larger than the sum of its proper divisors (5357373147599).

203040020420401 is a wasteful number, since it uses less digits than its factorization.

203040020420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14569.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 203040020420401 its reverse (104024020040302), we get a palindrome (307064040460703).

The spelling of 203040020420401 in words is "two hundred three trillion, forty billion, twenty million, four hundred twenty thousand, four hundred one".