20045302415 has 32 divisors (see below), whose sum is σ = 25099768512. Its totient is φ = 15355008000.

The previous prime is 20045302411. The next prime is 20045302421. The reversal of 20045302415 is 51420354002.

It is a happy number.

It is not a de Polignac number, because 20045302415 - 2² = 20045302411 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 (20045302411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6763724 + ... + 6766686.

It is an arithmetic number, because the mean of its divisors is an integer number (784367766).

Almost surely, 2^20045302415 is an apocalyptic number.

20045302415 is a deficient number, since it is larger than the sum of its proper divisors (5054466097).

20045302415 is a wasteful number, since it uses less digits than its factorization.

20045302415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20045302415 its reverse (51420354002), we get a palindrome (71465656417).

The spelling of 20045302415 in words is "twenty billion, forty-five million, three hundred two thousand, four hundred fifteen".