420201702 has 64 divisors (see below), whose sum is σ = 974877120. Its totient is φ = 134035200.

The previous prime is 420201671. The next prime is 420201703. The reversal of 420201702 is 207102024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420201703) 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, 115552 + ... + 119132.

It is an arithmetic number, because the mean of its divisors is an integer number (15232455).

Almost surely, 2^420201702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420201702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487438560).

420201702 is an abundant number, since it is smaller than the sum of its proper divisors (554675418).

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

420201702 is a wasteful number, since it uses less digits than its factorization.

420201702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 420201702 is about 20498.8219661521. The cubic root of 420201702 is about 749.0071021185.

Adding to 420201702 its reverse (207102024), we get a palindrome (627303726).

It can be divided in two parts, 420201 and 702, that added together give a triangular number (420903 = T₉₁₇).

The spelling of 420201702 in words is "four hundred twenty million, two hundred one thousand, seven hundred two".