220212021020 has 24 divisors (see below), whose sum is σ = 462454063344. Its totient is φ = 88083128576.

The previous prime is 220212021017. The next prime is 220212021059. The reversal of 220212021020 is 20120212022.

It is a junction number, because it is equal to n+sod(n) for n = 220212020986 and 220212021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975412 + ... + 2083908.

It is an arithmetic number, because the mean of its divisors is an integer number (19268919306).

Almost surely, 2^220212021020 is an apocalyptic number.

220212021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212021020 is an abundant number, since it is smaller than the sum of its proper divisors (242242042324).

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

220212021020 is a wasteful number, since it uses less digits than its factorization.

220212021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209989 (or 209987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220212021020 its reverse (20120212022), we get a palindrome (240332233042).

The spelling of 220212021020 in words is "two hundred twenty billion, two hundred twelve million, twenty-one thousand, twenty".