66020122 has 8 divisors (see below), whose sum is σ = 113177376. Its totient is φ = 28294332.

The previous prime is 66020081. The next prime is 66020147. The reversal of 66020122 is 22102066.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66020122.

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, 2357848 + ... + 2357875.

It is an arithmetic number, because the mean of its divisors is an integer number (14147172).

Almost surely, 2^66020122 is an apocalyptic number.

66020122 is a deficient number, since it is larger than the sum of its proper divisors (47157254).

66020122 is a wasteful number, since it uses less digits than its factorization.

66020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715732.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 66020122 is about 8125.2767337488. The cubic root of 66020122 is about 404.1650675011.

Adding to 66020122 its reverse (22102066), we get a palindrome (88122188).

The spelling of 66020122 in words is "sixty-six million, twenty thousand, one hundred twenty-two".