20010448208 has 10 divisors (see below), whose sum is σ = 38770243434. Its totient is φ = 10005224096.

The previous prime is 20010448169. The next prime is 20010448219. The reversal of 20010448208 is 80284401002.

It can be written as a sum of positive squares in only one way, i.e., 19912596544 + 97851664 = 141112^2 + 9892^2 .

It is a super-2 number, since 2×20010448208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625326491 + ... + 625326522.

Almost surely, 2^20010448208 is an apocalyptic number.

It is an amenable number.

20010448208 is a deficient number, since it is larger than the sum of its proper divisors (18759795226).

20010448208 is a wasteful number, since it uses less digits than its factorization.

20010448208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250653021 (or 1250653015 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 20010448208 in words is "twenty billion, ten million, four hundred forty-eight thousand, two hundred eight".