201424342020 has 192 divisors, whose sum is σ = 635518033920. Its totient is φ = 47224396800.

The previous prime is 201424341997. The next prime is 201424342027. The reversal of 201424342020 is 20243424102.

It is not an unprimeable number, because it can be changed into a prime (201424342027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53869311 + ... + 53873049.

It is an arithmetic number, because the mean of its divisors is an integer number (3309989760).

Almost surely, 2^201424342020 is an apocalyptic number.

201424342020 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 201424342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317759016960).

201424342020 is an abundant number, since it is smaller than the sum of its proper divisors (434093691900).

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

201424342020 is a wasteful number, since it uses less digits than its factorization.

201424342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426 (or 6424 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201424342020 its reverse (20243424102), we get a palindrome (221667766122).

The spelling of 201424342020 in words is "two hundred one billion, four hundred twenty-four million, three hundred forty-two thousand, twenty".