203020412005 has 16 divisors (see below), whose sum is σ = 255356881920. Its totient is φ = 154658072448.

The previous prime is 203020411991. The next prime is 203020412029. The reversal of 203020412005 is 500214020302.

It is a cyclic number.

It is not a de Polignac number, because 203020412005 - 2⁹ = 203020411493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3932640 + ... + 3983929.

It is an arithmetic number, because the mean of its divisors is an integer number (15959805120).

Almost surely, 2^203020412005 is an apocalyptic number.

It is an amenable number.

203020412005 is a deficient number, since it is larger than the sum of its proper divisors (52336469915).

203020412005 is a wasteful number, since it uses less digits than its factorization.

203020412005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916820.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 203020412005 its reverse (500214020302), we get a palindrome (703234432307).

The spelling of 203020412005 in words is "two hundred three billion, twenty million, four hundred twelve thousand, five".