20134020220 has 48 divisors (see below), whose sum is σ = 43170019200. Its totient is φ = 7885448000.

The previous prime is 20134020199. The next prime is 20134020229. The reversal of 20134020220 is 2202043102.

It is a junction number, because it is equal to n+sod(n) for n = 20134020194 and 20134020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134020229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262191 + ... + 330169.

It is an arithmetic number, because the mean of its divisors is an integer number (899375400).

Almost surely, 2^20134020220 is an apocalyptic number.

20134020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134020220 is an abundant number, since it is smaller than the sum of its proper divisors (23035998980).

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

20134020220 is a wasteful number, since it uses less digits than its factorization.

20134020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68298 (or 68296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20134020220 its reverse (2202043102), we get a palindrome (22336063322).

The spelling of 20134020220 in words is "twenty billion, one hundred thirty-four million, twenty thousand, two hundred twenty".