20069660552 has 12 divisors (see below), whose sum is σ = 37631364855. Its totient is φ = 10034629928.

The previous prime is 20069660489. The next prime is 20069660603. The reversal of 20069660552 is 25506696002.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 10034830276 + 10034830276 = 100174^2 + 100174^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=100174.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 375653 + ... + 425739.

Almost surely, 2^20069660552 is an apocalyptic number.

It is an amenable number.

20069660552 is a deficient number, since it is larger than the sum of its proper divisors (17561704303).

20069660552 is an frugal number, since it uses more digits than its factorization.

20069660552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100180 (or 50089 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 20069660552 in words is "twenty billion, sixty-nine million, six hundred sixty thousand, five hundred fifty-two".