201340200420 has 48 divisors (see below), whose sum is σ = 626391736320. Its totient is φ = 53690719968.

The previous prime is 201340200409. The next prime is 201340200493. The reversal of 201340200420 is 24002043102.

201340200420 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 40 + 200 + 420 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 201340200393 and 201340200402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186425572 + ... + 186426651.

It is an arithmetic number, because the mean of its divisors is an integer number (13049827840).

Almost surely, 2^201340200420 is an apocalyptic number.

201340200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201340200420 is an abundant number, since it is smaller than the sum of its proper divisors (425051535900).

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

201340200420 is a wasteful number, since it uses less digits than its factorization.

201340200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372852241 (or 372852233 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 201340200420 its reverse (24002043102), we get a palindrome (225342243522).

The spelling of 201340200420 in words is "two hundred one billion, three hundred forty million, two hundred thousand, four hundred twenty".