201012220223220 has 96 divisors (see below), whose sum is σ = 644169987127296. Its totient is φ = 45879158736000.

The previous prime is 201012220223207. The next prime is 201012220223233. The reversal of 201012220223220 is 22322022210102.

It is an interprime number because it is at equal distance from previous prime (201012220223207) and next prime (201012220223233).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346019856 + ... + 346600295.

It is an arithmetic number, because the mean of its divisors is an integer number (6710104032576).

Almost surely, 2^{201012220223220} is an apocalyptic number.

201012220223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012220223220 is an abundant number, since it is smaller than the sum of its proper divisors (443157766904076).

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

201012220223220 is a wasteful number, since it uses less digits than its factorization.

201012220223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692620861 (or 692620859 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201012220223220 its reverse (22322022210102), we get a palindrome (223334242433322).

The spelling of 201012220223220 in words is "two hundred one trillion, twelve billion, two hundred twenty million, two hundred twenty-three thousand, two hundred twenty".