60020066 has 4 divisors (see below), whose sum is σ = 90030102. Its totient is φ = 30010032.

The previous prime is 60020029. The next prime is 60020071. The reversal of 60020066 is 66002006.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 10725625 = 7021^2 + 3275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005015 + ... + 15005018.

Almost surely, 2^60020066 is an apocalyptic number.

60020066 is a deficient number, since it is larger than the sum of its proper divisors (30010036).

60020066 is a wasteful number, since it uses less digits than its factorization.

60020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30010035.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 60020066 is about 7747.2618388693. The cubic root of 60020066 is about 391.5304013272.

The spelling of 60020066 in words is "sixty million, twenty thousand, sixty-six".