20104147245 has 32 divisors (see below), whose sum is σ = 39589708032. Its totient is φ = 8483507712.

The previous prime is 20104147229. The next prime is 20104147277. The reversal of 20104147245 is 54274140102.

It is not a de Polignac number, because 20104147245 - 2⁴ = 20104147229 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, 7362792 + ... + 7365521.

It is an arithmetic number, because the mean of its divisors is an integer number (1237178376).

Almost surely, 2^20104147245 is an apocalyptic number.

It is an amenable number.

20104147245 is a deficient number, since it is larger than the sum of its proper divisors (19485560787).

20104147245 is a wasteful number, since it uses less digits than its factorization.

20104147245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14728341.

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 20104147245 its reverse (54274140102), we get a palindrome (74378287347).

The spelling of 20104147245 in words is "twenty billion, one hundred four million, one hundred forty-seven thousand, two hundred forty-five".