20010202007 has 4 divisors (see below), whose sum is σ = 20033661480. Its totient is φ = 19986742536.

The previous prime is 20010201989. The next prime is 20010202033. The reversal of 20010202007 is 70020201002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70020201002 = 2 ⋅35010100501.

It is a cyclic number.

It is not a de Polignac number, because 20010202007 - 2⁶ = 20010201943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010201982 and 20010202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010202067) 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 3 ways as a sum of consecutive naturals, for example, 11728457 + ... + 11730162.

It is an arithmetic number, because the mean of its divisors is an integer number (5008415370).

Almost surely, 2^20010202007 is an apocalyptic number.

20010202007 is a deficient number, since it is larger than the sum of its proper divisors (23459473).

20010202007 is an equidigital number, since it uses as much as digits as its factorization.

20010202007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23459472.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 20010202007 its reverse (70020201002), we get a palindrome (90030403009).

The spelling of 20010202007 in words is "twenty billion, ten million, two hundred two thousand, seven".