20140204020 has 96 divisors (see below), whose sum is σ = 57389606400. Its totient is φ = 5276202624.

The previous prime is 20140203973. The next prime is 20140204033. The reversal of 20140204020 is 2040204102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1516971 + ... + 1530189.

It is an arithmetic number, because the mean of its divisors is an integer number (597808400).

Almost surely, 2^20140204020 is an apocalyptic number.

20140204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140204020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28694803200).

20140204020 is an abundant number, since it is smaller than the sum of its proper divisors (37249402380).

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

20140204020 is a wasteful number, since it uses less digits than its factorization.

20140204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677 (or 13675 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20140204020 its reverse (2040204102), we get a palindrome (22180408122).

The spelling of 20140204020 in words is "twenty billion, one hundred forty million, two hundred four thousand, twenty".