20055102403 has 8 divisors (see below), whose sum is σ = 22921809408. Its totient is φ = 17188818504.

The previous prime is 20055102343. The next prime is 20055102413. The reversal of 20055102403 is 30420155002.

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 20055102403 - 2¹⁷ = 20054971331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20055102413) 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, 3300 + ... + 200302.

It is an arithmetic number, because the mean of its divisors is an integer number (2865226176).

Almost surely, 2^20055102403 is an apocalyptic number.

20055102403 is a deficient number, since it is larger than the sum of its proper divisors (2866707005).

20055102403 is a wasteful number, since it uses less digits than its factorization.

20055102403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211553.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20055102403 its reverse (30420155002), we get a palindrome (50475257405).

The spelling of 20055102403 in words is "twenty billion, fifty-five million, one hundred two thousand, four hundred three".