20423607646070 has 16 divisors (see below), whose sum is σ = 36763436055600. Its totient is φ = 8169233660064.

The previous prime is 20423607646027. The next prime is 20423607646093. The reversal of 20423607646070 is 7064670632402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25764845 + ... + 26545704.

It is an arithmetic number, because the mean of its divisors is an integer number (2297714753475).

Almost surely, 2^{20423607646070} is an apocalyptic number.

20423607646070 is a deficient number, since it is larger than the sum of its proper divisors (16339828409530).

20423607646070 is a wasteful number, since it uses less digits than its factorization.

20423607646070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52349599.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 20423607646070 in words is "twenty trillion, four hundred twenty-three billion, six hundred seven million, six hundred forty-six thousand, seventy".