201502420 has 48 divisors (see below), whose sum is σ = 489460608. Its totient is φ = 68250240.

The previous prime is 201502417. The next prime is 201502421. The reversal of 201502420 is 24205102.

It is a junction number, because it is equal to n+sod(n) for n = 201502394 and 201502403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201502421) 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, 2950 + ... + 20290.

It is an arithmetic number, because the mean of its divisors is an integer number (10197096).

Almost surely, 2^201502420 is an apocalyptic number.

201502420 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 201502420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244730304).

201502420 is an abundant number, since it is smaller than the sum of its proper divisors (287958188).

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

201502420 is a wasteful number, since it uses less digits than its factorization.

201502420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17440 (or 17438 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 201502420 is about 14195.1548071869. The cubic root of 201502420 is about 586.2642636210.

Adding to 201502420 its reverse (24205102), we get a palindrome (225707522).

The spelling of 201502420 in words is "two hundred one million, five hundred two thousand, four hundred twenty".