20840620200 has 48 divisors (see below), whose sum is σ = 64605924480. Its totient is φ = 5557498560.

The previous prime is 20840620189. The next prime is 20840620217. The reversal of 20840620200 is 202604802.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17366584 + ... + 17367783.

It is an arithmetic number, because the mean of its divisors is an integer number (1345956760).

Almost surely, 2^20840620200 is an apocalyptic number.

20840620200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20840620200 is an abundant number, since it is smaller than the sum of its proper divisors (43765304280).

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

20840620200 is a wasteful number, since it uses less digits than its factorization.

20840620200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34734386 (or 34734377 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 20840620200 in words is "twenty billion, eight hundred forty million, six hundred twenty thousand, two hundred".