20122012020220 has 48 divisors (see below), whose sum is σ = 46114730702208. Its totient is φ = 7314392036160.

The previous prime is 20122012020193. The next prime is 20122012020247. The reversal of 20122012020220 is 2202021022102.

It is an interprime number because it is at equal distance from previous prime (20122012020193) and next prime (20122012020247).

It is a junction number, because it is equal to n+sod(n) for n = 20122012020194 and 20122012020203.

It is a congruent number.

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, 16298382 + ... + 17489461.

It is an arithmetic number, because the mean of its divisors is an integer number (960723556296).

Almost surely, 2^{20122012020220} is an apocalyptic number.

20122012020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122012020220 is an abundant number, since it is smaller than the sum of its proper divisors (25992718681988).

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

20122012020220 is a wasteful number, since it uses less digits than its factorization.

20122012020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33790570 (or 33790568 counting only the distinct ones).

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

Adding to 20122012020220 its reverse (2202021022102), we get a palindrome (22324033042322).

The spelling of 20122012020220 in words is "twenty trillion, one hundred twenty-two billion, twelve million, twenty thousand, two hundred twenty".