203220124401 has 16 divisors (see below), whose sum is σ = 310477307904. Its totient is φ = 115822580304.

The previous prime is 203220124391. The next prime is 203220124417. The reversal of 203220124401 is 104421022302.

203220124401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203220124401 - 2⁵ = 203220124369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203220124421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12625311 + ... + 12641396.

It is an arithmetic number, because the mean of its divisors is an integer number (19404831744).

Almost surely, 2^203220124401 is an apocalyptic number.

203220124401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203220124401 is a deficient number, since it is larger than the sum of its proper divisors (107257183503).

203220124401 is a wasteful number, since it uses less digits than its factorization.

203220124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25267100.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 203220124401 its reverse (104421022302), we get a palindrome (307641146703).

The spelling of 203220124401 in words is "two hundred three billion, two hundred twenty million, one hundred twenty-four thousand, four hundred one".