20020212220120 has 128 divisors (see below), whose sum is σ = 55982024760960. Its totient is φ = 6285700915200.

The previous prime is 20020212220079. The next prime is 20020212220121. The reversal of 20020212220120 is 2102221202002.

It is a junction number, because it is equal to n+sod(n) for n = 20020212220094 and 20020212220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020212220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56660731 + ... + 57012970.

It is an arithmetic number, because the mean of its divisors is an integer number (437359568445).

Almost surely, 2^{20020212220120} is an apocalyptic number.

20020212220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020212220120 is an abundant number, since it is smaller than the sum of its proper divisors (35961812540840).

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

20020212220120 is a wasteful number, since it uses less digits than its factorization.

20020212220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113673773 (or 113673769 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20020212220120 its reverse (2102221202002), we get a palindrome (22122433422122).

The spelling of 20020212220120 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty".