20435042007 has 48 divisors (see below), whose sum is σ = 30144441600. Its totient is φ = 13338049536.

The previous prime is 20435041999. The next prime is 20435042011. The reversal of 20435042007 is 70024053402.

20435042007 is a `hidden beast` number, since 20 + 435 + 0 + 4 + 200 + 7 = 666.

It is not a de Polignac number, because 20435042007 - 2³ = 20435041999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435042027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45512119 + ... + 45512567.

It is an arithmetic number, because the mean of its divisors is an integer number (628009200).

Almost surely, 2^20435042007 is an apocalyptic number.

20435042007 is a deficient number, since it is larger than the sum of its proper divisors (9709399593).

20435042007 is a wasteful number, since it uses less digits than its factorization.

20435042007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

Adding to 20435042007 its reverse (70024053402), we get a palindrome (90459095409).

The spelling of 20435042007 in words is "twenty billion, four hundred thirty-five million, forty-two thousand, seven".