20130420040003 has 32 divisors (see below), whose sum is σ = 25011776885760. Its totient is φ = 15775782687360.

The previous prime is 20130420039931. The next prime is 20130420040013. The reversal of 20130420040003 is 30004002403102.

It is a cyclic number.

It is not a de Polignac number, because 20130420040003 - 2²¹ = 20130417942851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130420040013) 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, 57067993 + ... + 57419653.

It is an arithmetic number, because the mean of its divisors is an integer number (781618027680).

Almost surely, 2^{20130420040003} is an apocalyptic number.

20130420040003 is a deficient number, since it is larger than the sum of its proper divisors (4881356845757).

20130420040003 is a wasteful number, since it uses less digits than its factorization.

20130420040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357667.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20130420040003 its reverse (30004002403102), we get a palindrome (50134422443105).

The spelling of 20130420040003 in words is "twenty trillion, one hundred thirty billion, four hundred twenty million, forty thousand, three".