20301344220 has 96 divisors (see below), whose sum is σ = 60320816640. Its totient is φ = 5090525440.

The previous prime is 20301344213. The next prime is 20301344221. The reversal of 20301344220 is 2244310302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301344221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43251 + ... + 206090.

It is an arithmetic number, because the mean of its divisors is an integer number (628341840).

Almost surely, 2^20301344220 is an apocalyptic number.

20301344220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301344220 is an abundant number, since it is smaller than the sum of its proper divisors (40019472420).

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

20301344220 is a wasteful number, since it uses less digits than its factorization.

20301344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249435 (or 249433 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20301344220 its reverse (2244310302), we get a palindrome (22545654522).

The spelling of 20301344220 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, two hundred twenty".