201345244620 has 72 divisors (see below), whose sum is σ = 610469281296. Its totient is φ = 49561903872.

The previous prime is 201345244613. The next prime is 201345244627. The reversal of 201345244620 is 26442543102.

It is an interprime number because it is at equal distance from previous prime (201345244613) and next prime (201345244627).

It is not an unprimeable number, because it can be changed into a prime (201345244627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9918127 + ... + 9938406.

It is an arithmetic number, because the mean of its divisors is an integer number (8478740018).

Almost surely, 2^201345244620 is an apocalyptic number.

201345244620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201345244620 is an abundant number, since it is smaller than the sum of its proper divisors (409124036676).

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

201345244620 is a wasteful number, since it uses less digits than its factorization.

201345244620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856571 (or 19856556 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 201345244620 its reverse (26442543102), we get a palindrome (227787787722).

The spelling of 201345244620 in words is "two hundred one billion, three hundred forty-five million, two hundred forty-four thousand, six hundred twenty".