66230307020 has 12 divisors (see below), whose sum is σ = 139083644784. Its totient is φ = 26492122800.

The previous prime is 66230307007. The next prime is 66230307049. The reversal of 66230307020 is 2070303266.

66230307020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66230307020² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655757656 + ... + 1655757695.

It is an arithmetic number, because the mean of its divisors is an integer number (11590303732).

Almost surely, 2^66230307020 is an apocalyptic number.

It is an amenable number.

66230307020 is an abundant number, since it is smaller than the sum of its proper divisors (72853337764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66230307020 is a wasteful number, since it uses less digits than its factorization.

66230307020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311515360 (or 3311515358 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The spelling of 66230307020 in words is "sixty-six billion, two hundred thirty million, three hundred seven thousand, twenty".