20845270200 has 96 divisors (see below), whose sum is σ = 65113868160. Its totient is φ = 5516284800.

The previous prime is 20845270183. The next prime is 20845270211. The reversal of 20845270200 is 207254802.

It is a super-2 number, since 2×20845270200² (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).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54004 + ... + 211203.

It is an arithmetic number, because the mean of its divisors is an integer number (678269460).

Almost surely, 2^20845270200 is an apocalyptic number.

20845270200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20845270200 is an abundant number, since it is smaller than the sum of its proper divisors (44268597960).

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

20845270200 is a wasteful number, since it uses less digits than its factorization.

20845270200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265357 (or 265348 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 20845270200 in words is "twenty billion, eight hundred forty-five million, two hundred seventy thousand, two hundred".