20201086830 has 16 divisors (see below), whose sum is σ = 48482608464. Its totient is φ = 5386956480.

The previous prime is 20201086811. The next prime is 20201086879. The reversal of 20201086830 is 3868010202.

It is a super-2 number, since 2×20201086830² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 673369561 = 20201086830 / (2 + 0 + 2 + 0 + 1 + 0 + 8 + 6 + 8 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336684751 + ... + 336684810.

It is an arithmetic number, because the mean of its divisors is an integer number (3030163029).

Almost surely, 2^20201086830 is an apocalyptic number.

20201086830 is an abundant number, since it is smaller than the sum of its proper divisors (28281521634).

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

20201086830 is a wasteful number, since it uses less digits than its factorization.

20201086830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673369571.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 20201086830 in words is "twenty billion, two hundred one million, eighty-six thousand, eight hundred thirty".