20262134208 has 28 divisors (see below), whose sum is σ = 53610230600. Its totient is φ = 6754044672.

The previous prime is 20262134197. The next prime is 20262134231. The reversal of 20262134208 is 80243126202.

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, 52765783 + ... + 52766166.

Almost surely, 2^20262134208 is an apocalyptic number.

It is an amenable number.

20262134208 is an abundant number, since it is smaller than the sum of its proper divisors (33348096392).

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

20262134208 is a wasteful number, since it uses less digits than its factorization.

20262134208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105531964 (or 105531954 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 20262134208 in words is "twenty billion, two hundred sixty-two million, one hundred thirty-four thousand, two hundred eight".