1020002212220 has 12 divisors (see below), whose sum is σ = 2142004645704. Its totient is φ = 408000884880.

The previous prime is 1020002212147. The next prime is 1020002212231. The reversal of 1020002212220 is 222122000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020002212195 and 1020002212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25500055286 + ... + 25500055325.

It is an arithmetic number, because the mean of its divisors is an integer number (178500387142).

Almost surely, 2^{1020002212220} is an apocalyptic number.

1020002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020002212220 is an abundant number, since it is smaller than the sum of its proper divisors (1122002433484).

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

1020002212220 is a wasteful number, since it uses less digits than its factorization.

1020002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000110620 (or 51000110618 counting only the distinct ones).

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

Adding to 1020002212220 its reverse (222122000201), we get a palindrome (1242124212421).

The spelling of 1020002212220 in words is "one trillion, twenty billion, two million, two hundred twelve thousand, two hundred twenty".