20204685084 has 24 divisors (see below), whose sum is σ = 47790079120. Its totient is φ = 6642635904.

The previous prime is 20204685043. The next prime is 20204685089. The reversal of 20204685084 is 48058640202.

It is a super-3 number, since 3×20204685084³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204685089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11531479 + ... + 11533230.

Almost surely, 2^20204685084 is an apocalyptic number.

It is an amenable number.

20204685084 is an abundant number, since it is smaller than the sum of its proper divisors (27585394036).

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

20204685084 is a wasteful number, since it uses less digits than its factorization.

20204685084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23064789 (or 23064787 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 20204685084 in words is "twenty billion, two hundred four million, six hundred eighty-five thousand, eighty-four".