3421020066 has 16 divisors (see below), whose sum is σ = 7062751488. Its totient is φ = 1103554800.

The previous prime is 3421020059. The next prime is 3421020073. The reversal of 3421020066 is 6600201243.

It is an interprime number because it is at equal distance from previous prime (3421020059) and next prime (3421020073).

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, 9196105 + ... + 9196476.

It is an arithmetic number, because the mean of its divisors is an integer number (441421968).

Almost surely, 2^3421020066 is an apocalyptic number.

3421020066 is an abundant number, since it is smaller than the sum of its proper divisors (3641731422).

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

3421020066 is a wasteful number, since it uses less digits than its factorization.

3421020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392617.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3421020066 is about 58489.4867989111. The cubic root of 3421020066 is about 1506.7870320365.

The spelling of 3421020066 in words is "three billion, four hundred twenty-one million, twenty thousand, sixty-six".