222211012000020 has 24 divisors (see below), whose sum is σ = 622190833600224. Its totient is φ = 59256269866656.

The previous prime is 222211011999973. The next prime is 222211012000037. The reversal of 222211012000020 is 20000210112222.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1851758433274 + ... + 1851758433393.

It is an arithmetic number, because the mean of its divisors is an integer number (25924618066676).

Almost surely, 2^{222211012000020} is an apocalyptic number.

222211012000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211012000020 is an abundant number, since it is smaller than the sum of its proper divisors (399979821600204).

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

222211012000020 is a wasteful number, since it uses less digits than its factorization.

222211012000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703516866679 (or 3703516866677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222211012000020 its reverse (20000210112222), we get a palindrome (242211222112242).

The spelling of 222211012000020 in words is "two hundred twenty-two trillion, two hundred eleven billion, twelve million, twenty", and thus it is an aban number.