20208485712 has 40 divisors (see below), whose sum is σ = 53419335904. Its totient is φ = 6579506304.

The previous prime is 20208485677. The next prime is 20208485719. The reversal of 20208485712 is 21758480202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20208485719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4893403 + ... + 4897530.

Almost surely, 2^20208485712 is an apocalyptic number.

It is an amenable number.

20208485712 is an abundant number, since it is smaller than the sum of its proper divisors (33210850192).

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

20208485712 is a wasteful number, since it uses less digits than its factorization.

20208485712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790987 (or 9790981 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 20208485712 in words is "twenty billion, two hundred eight million, four hundred eighty-five thousand, seven hundred twelve".