20066002272 has 36 divisors (see below), whose sum is σ = 57062694780. Its totient is φ = 6688667328.

The previous prime is 20066002261. The next prime is 20066002273. The reversal of 20066002272 is 27220066002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066002273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34836522 + ... + 34837097.

It is an arithmetic number, because the mean of its divisors is an integer number (1585074855).

Almost surely, 2^20066002272 is an apocalyptic number.

It is an amenable number.

20066002272 is an abundant number, since it is smaller than the sum of its proper divisors (36996692508).

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

20066002272 is a wasteful number, since it uses less digits than its factorization.

20066002272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69673635 (or 69673624 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 20066002272 its reverse (27220066002), we get a palindrome (47286068274).

The spelling of 20066002272 in words is "twenty billion, sixty-six million, two thousand, two hundred seventy-two".