20013061403245 has 32 divisors (see below), whose sum is σ = 24286722969600. Its totient is φ = 15830917344000.

The previous prime is 20013061403233. The next prime is 20013061403327. The reversal of 20013061403245 is 54230416031002.

It is not a de Polignac number, because 20013061403245 - 2¹³ = 20013061395053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193984375 + ... + 194087515.

It is an arithmetic number, because the mean of its divisors is an integer number (758960092800).

Almost surely, 2^{20013061403245} is an apocalyptic number.

It is an amenable number.

20013061403245 is a deficient number, since it is larger than the sum of its proper divisors (4273661566355).

20013061403245 is a wasteful number, since it uses less digits than its factorization.

20013061403245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104557.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20013061403245 its reverse (54230416031002), we get a palindrome (74243477434247).

The spelling of 20013061403245 in words is "twenty trillion, thirteen billion, sixty-one million, four hundred three thousand, two hundred forty-five".