201220244302 has 48 divisors (see below), whose sum is σ = 399681205632. Its totient is φ = 74988901680.

The previous prime is 201220244243. The next prime is 201220244311. The reversal of 201220244302 is 203442022102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4033048 + ... + 4082635.

It is an arithmetic number, because the mean of its divisors is an integer number (8326691784).

Almost surely, 2^201220244302 is an apocalyptic number.

201220244302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201220244302 is a deficient number, since it is larger than the sum of its proper divisors (198460961330).

201220244302 is a wasteful number, since it uses less digits than its factorization.

201220244302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115733 (or 8115726 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 201220244302 its reverse (203442022102), we get a palindrome (404662266404).

The spelling of 201220244302 in words is "two hundred one billion, two hundred twenty million, two hundred forty-four thousand, three hundred two".