20084900700 has 36 divisors (see below), whose sum is σ = 58112313560. Its totient is φ = 5355973440.

The previous prime is 20084900683. The next prime is 20084900701. The reversal of 20084900700 is 700948002.

It is a super-2 number, since 2×20084900700² (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 not an unprimeable number, because it can be changed into a prime (20084900701) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33474535 + ... + 33475134.

Almost surely, 2^20084900700 is an apocalyptic number.

20084900700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20084900700 is an abundant number, since it is smaller than the sum of its proper divisors (38027412860).

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

20084900700 is a wasteful number, since it uses less digits than its factorization.

20084900700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66949686 (or 66949679 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 20084900700 in words is "twenty billion, eighty-four million, nine hundred thousand, seven hundred".