20425505323103 has 8 divisors (see below), whose sum is σ = 20493186898800. Its totient is φ = 20357831208960.

The previous prime is 20425505323087. The next prime is 20425505323141. The reversal of 20425505323103 is 30132350552402.

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 20425505323103 - 2⁴ = 20425505323087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425505383103) 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, 3645473 + ... + 7358021.

It is an arithmetic number, because the mean of its divisors is an integer number (2561648362350).

Almost surely, 2^{20425505323103} is an apocalyptic number.

20425505323103 is a deficient number, since it is larger than the sum of its proper divisors (67681575697).

20425505323103 is a wasteful number, since it uses less digits than its factorization.

20425505323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730777.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 20425505323103 its reverse (30132350552402), we get a palindrome (50557855875505).

The spelling of 20425505323103 in words is "twenty trillion, four hundred twenty-five billion, five hundred five million, three hundred twenty-three thousand, one hundred three".