201430200020 has 96 divisors (see below), whose sum is σ = 499274254080. Its totient is φ = 66819548160.

The previous prime is 201430200011. The next prime is 201430200031. The reversal of 201430200020 is 20002034102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201430199968 and 201430200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818600 + ... + 1035840.

It is an arithmetic number, because the mean of its divisors is an integer number (5200773480).

Almost surely, 2^201430200020 is an apocalyptic number.

201430200020 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 201430200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249637127040).

201430200020 is an abundant number, since it is smaller than the sum of its proper divisors (297844054060).

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

201430200020 is a wasteful number, since it uses less digits than its factorization.

201430200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217473 (or 217471 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 201430200020 its reverse (20002034102), we get a palindrome (221432234122).

The spelling of 201430200020 in words is "two hundred one billion, four hundred thirty million, two hundred thousand, twenty".