20020011220212 has 384 divisors, whose sum is σ = 53820440948736. Its totient is φ = 5756807282688.

The previous prime is 20020011220199. The next prime is 20020011220249. The reversal of 20020011220212 is 21202211002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020011220191 and 20020011220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2842536763 + ... + 2842543805.

It is an arithmetic number, because the mean of its divisors is an integer number (140157398304).

Almost surely, 2^{20020011220212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020011220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26910220474368).

20020011220212 is an abundant number, since it is smaller than the sum of its proper divisors (33800429728524).

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

20020011220212 is a wasteful number, since it uses less digits than its factorization.

20020011220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399 (or 7397 counting only the distinct ones).

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

Adding to 20020011220212 its reverse (21202211002002), we get a palindrome (41222222222214).

The spelling of 20020011220212 in words is "twenty trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred twelve".