66020202200260 has 48 divisors (see below), whose sum is σ = 172852893037440. Its totient is φ = 20577725360640.

The previous prime is 66020202200243. The next prime is 66020202200333. The reversal of 66020202200260 is 6200220202066.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21435129045 + ... + 21435132124.

It is an arithmetic number, because the mean of its divisors is an integer number (3601101938280).

Almost surely, 2^{66020202200260} is an apocalyptic number.

It is an amenable number.

66020202200260 is an abundant number, since it is smaller than the sum of its proper divisors (106832690837180).

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

66020202200260 is a wasteful number, since it uses less digits than its factorization.

66020202200260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42870261196 (or 42870261194 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 66020202200260 in words is "sixty-six trillion, twenty billion, two hundred two million, two hundred thousand, two hundred sixty".