20200001136 has 80 divisors (see below), whose sum is σ = 60165982464. Its totient is φ = 5720343552.

The previous prime is 20200001131. The next prime is 20200001177. The reversal of 20200001136 is 63110000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200001131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228046 + ... + 303981.

Almost surely, 2^20200001136 is an apocalyptic number.

It is an amenable number.

20200001136 is an abundant number, since it is smaller than the sum of its proper divisors (39965981328).

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

20200001136 is a wasteful number, since it uses less digits than its factorization.

20200001136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532158 (or 532152 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20200001136 its reverse (63110000202), we get a palindrome (83310001338).

The spelling of 20200001136 in words is "twenty billion, two hundred million, one thousand, one hundred thirty-six".