20045000420235 has 24 divisors (see below), whose sum is σ = 39708191309280. Its totient is φ = 9163428763392.

The previous prime is 20045000420219. The next prime is 20045000420239. The reversal of 20045000420235 is 53202400054002.

It is a happy number.

20045000420235 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 5 + 0 + 0 + 0 + 420 + 235 = 666.

It is not a de Polignac number, because 20045000420235 - 2⁴ = 20045000420219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20045000420199 and 20045000420208.

It is not an unprimeable number, because it can be changed into a prime (20045000420239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31817460670 + ... + 31817461299.

It is an arithmetic number, because the mean of its divisors is an integer number (1654507971220).

Almost surely, 2^{20045000420235} is an apocalyptic number.

20045000420235 is a deficient number, since it is larger than the sum of its proper divisors (19663190889045).

20045000420235 is a wasteful number, since it uses less digits than its factorization.

20045000420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63634921987 (or 63634921984 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 20045000420235 its reverse (53202400054002), we get a palindrome (73247400474237).

The spelling of 20045000420235 in words is "twenty trillion, forty-five billion, four hundred twenty thousand, two hundred thirty-five".