20060045 has 6 divisors (see below), whose sum is σ = 24084078. Its totient is φ = 16040024.

The previous prime is 20060009. The next prime is 20060087. The reversal of 20060045 is 54006002.

It can be written as a sum of positive squares in only one way, i.e., 16048036 + 4012009 = 4006^2 + 2003^2 .

It is not a de Polignac number, because 20060045 - 2¹² = 20055949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9014 + ... + 11016.

It is an arithmetic number, because the mean of its divisors is an integer number (4014013).

Almost surely, 2^20060045 is an apocalyptic number.

It is an amenable number.

20060045 is a deficient number, since it is larger than the sum of its proper divisors (4024033).

20060045 is an frugal number, since it uses more digits than its factorization.

20060045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20060045 is about 4478.8441589321. The cubic root of 20060045 is about 271.7131356059.

Adding to 20060045 its reverse (54006002), we get a palindrome (74066047).

The spelling of 20060045 in words is "twenty million, sixty thousand, forty-five".