20061665076 has 12 divisors (see below), whose sum is σ = 46810551872. Its totient is φ = 6687221688.

The previous prime is 20061665053. The next prime is 20061665081. The reversal of 20061665076 is 67056616002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 835902700 + ... + 835902723.

Almost surely, 2^20061665076 is an apocalyptic number.

It is an amenable number.

20061665076 is an abundant number, since it is smaller than the sum of its proper divisors (26748886796).

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

20061665076 is a wasteful number, since it uses less digits than its factorization.

20061665076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671805430 (or 1671805428 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 20061665076 in words is "twenty billion, sixty-one million, six hundred sixty-five thousand, seventy-six".