20424032045 has 8 divisors (see below), whose sum is σ = 25798777440. Its totient is φ = 15479266320.

The previous prime is 20424031987. The next prime is 20424032047. The reversal of 20424032045 is 54023042402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20424032045 - 2²² = 20419837741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424032047) 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, 107494811 + ... + 107495000.

It is an arithmetic number, because the mean of its divisors is an integer number (3224847180).

Almost surely, 2^20424032045 is an apocalyptic number.

It is an amenable number.

20424032045 is a deficient number, since it is larger than the sum of its proper divisors (5374745395).

20424032045 is a wasteful number, since it uses less digits than its factorization.

20424032045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214989835.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20424032045 its reverse (54023042402), we get a palindrome (74447074447).

The spelling of 20424032045 in words is "twenty billion, four hundred twenty-four million, thirty-two thousand, forty-five".