222201001200020 has 24 divisors (see below), whose sum is σ = 468714578325504. Its totient is φ = 88481833659936.

The previous prime is 222201001200007. The next prime is 222201001200047. The reversal of 222201001200020 is 20002100102222.

It is a junction number, because it is equal to n+sod(n) for n = 222201001199968 and 222201001200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24910421684 + ... + 24910430603.

It is an arithmetic number, because the mean of its divisors is an integer number (19529774096896).

Almost surely, 2^{222201001200020} is an apocalyptic number.

222201001200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201001200020 is an abundant number, since it is smaller than the sum of its proper divisors (246513577125484).

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

222201001200020 is a wasteful number, since it uses less digits than its factorization.

222201001200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49820852519 (or 49820852517 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222201001200020 its reverse (20002100102222), we get a palindrome (242203101302242).

The spelling of 222201001200020 in words is "two hundred twenty-two trillion, two hundred one billion, one million, two hundred thousand, twenty".