20022101122120 has 16 divisors (see below), whose sum is σ = 45049727524860. Its totient is φ = 8008840448832.

The previous prime is 20022101122073. The next prime is 20022101122147. The reversal of 20022101122120 is 2122110122002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18785098935684 + 1237002186436 = 4334178^2 + 1112206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20022101122094 and 20022101122103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250276263987 + ... + 250276264066.

Almost surely, 2^{20022101122120} is an apocalyptic number.

20022101122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022101122120 is an abundant number, since it is smaller than the sum of its proper divisors (25027626402740).

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

20022101122120 is a wasteful number, since it uses less digits than its factorization.

20022101122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500552528064 (or 500552528060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022101122120 its reverse (2122110122002), we get a palindrome (22144211244122).

The spelling of 20022101122120 in words is "twenty trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty".