201340334620 has 24 divisors (see below), whose sum is σ = 423739918224. Its totient is φ = 80359902336.

The previous prime is 201340334579. The next prime is 201340334621. The reversal of 201340334620 is 26433043102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201340334621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11005102 + ... + 11023381.

It is an arithmetic number, because the mean of its divisors is an integer number (17655829926).

Almost surely, 2^201340334620 is an apocalyptic number.

201340334620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201340334620 is an abundant number, since it is smaller than the sum of its proper divisors (222399583604).

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

201340334620 is a wasteful number, since it uses less digits than its factorization.

201340334620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028949 (or 22028947 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 201340334620 its reverse (26433043102), we get a palindrome (227773377722).

The spelling of 201340334620 in words is "two hundred one billion, three hundred forty million, three hundred thirty-four thousand, six hundred twenty".