20002117070 has 32 divisors (see below), whose sum is σ = 38780834400. Its totient is φ = 7383968640.

The previous prime is 20002117039. The next prime is 20002117117. The reversal of 20002117070 is 7071120002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854381 + ... + 877479.

It is an arithmetic number, because the mean of its divisors is an integer number (1211901075).

Almost surely, 2^20002117070 is an apocalyptic number.

20002117070 is a deficient number, since it is larger than the sum of its proper divisors (18778717330).

20002117070 is a wasteful number, since it uses less digits than its factorization.

20002117070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29780.

The product of its (nonzero) digits is 196, while the sum is 20.

Adding to 20002117070 its reverse (7071120002), we get a palindrome (27073237072).

The spelling of 20002117070 in words is "twenty billion, two million, one hundred seventeen thousand, seventy".