20076893896 has 8 divisors (see below), whose sum is σ = 37644176070. Its totient is φ = 10038446944.

The previous prime is 20076893891. The next prime is 20076893897. The reversal of 20076893896 is 69839867002.

It can be written as a sum of positive squares in only one way, i.e., 16361991396 + 3714902500 = 127914^2 + 60950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20076893896² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20076893896.

It is not an unprimeable number, because it can be changed into a prime (20076893891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254805861 + ... + 1254805876.

Almost surely, 2^20076893896 is an apocalyptic number.

It is an amenable number.

20076893896 is a deficient number, since it is larger than the sum of its proper divisors (17567282174).

20076893896 is a wasteful number, since it uses less digits than its factorization.

20076893896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509611743 (or 2509611739 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 20076893896 in words is "twenty billion, seventy-six million, eight hundred ninety-three thousand, eight hundred ninety-six".