20065070 has 8 divisors (see below), whose sum is σ = 36117144. Its totient is φ = 8026024.

The previous prime is 20065069. The next prime is 20065079. The reversal of 20065070 is 7056002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003244 + ... + 1003263.

It is an arithmetic number, because the mean of its divisors is an integer number (4514643).

Almost surely, 2^20065070 is an apocalyptic number.

20065070 is a deficient number, since it is larger than the sum of its proper divisors (16052074).

20065070 is a wasteful number, since it uses less digits than its factorization.

20065070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006514.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20065070 is about 4479.4050944294. The cubic root of 20065070 is about 271.7358215722.

The spelling of 20065070 in words is "twenty million, sixty-five thousand, seventy".