20113070 has 16 divisors (see below), whose sum is σ = 36365760. Its totient is φ = 8009184.

The previous prime is 20113069. The next prime is 20113073. The reversal of 20113070 is 7031102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 6681.

It is an arithmetic number, because the mean of its divisors is an integer number (2272860).

Almost surely, 2^20113070 is an apocalyptic number.

20113070 is a deficient number, since it is larger than the sum of its proper divisors (16252690).

20113070 is a wasteful number, since it uses less digits than its factorization.

20113070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20113070 is about 4484.7597483031. The cubic root of 20113070 is about 271.9523326936.

Adding to 20113070 its reverse (7031102), we get a palindrome (27144172).

The spelling of 20113070 in words is "twenty million, one hundred thirteen thousand, seventy".