202220111110020 has 48 divisors (see below), whose sum is σ = 566221080199488. Its totient is φ = 53924908763520.

The previous prime is 202220111110019. The next prime is 202220111110049. The reversal of 202220111110020 is 20011111022202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6980491 + ... + 21287730.

It is an arithmetic number, because the mean of its divisors is an integer number (11796272504156).

Almost surely, 2^{202220111110020} is an apocalyptic number.

202220111110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220111110020 is an abundant number, since it is smaller than the sum of its proper divisors (364000969089468).

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

202220111110020 is a wasteful number, since it uses less digits than its factorization.

202220111110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28387460 (or 28387458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202220111110020 its reverse (20011111022202), we get a palindrome (222231222132222).

The spelling of 202220111110020 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred ten thousand, twenty".