1202220220020 has 96 divisors (see below), whose sum is σ = 3475731409920. Its totient is φ = 310167598080.

The previous prime is 1202220219947. The next prime is 1202220220057. The reversal of 1202220220020 is 200220222021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7045066 + ... + 7213694.

It is an arithmetic number, because the mean of its divisors is an integer number (36205535520).

Almost surely, 2^{1202220220020} is an apocalyptic number.

1202220220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202220220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737865704960).

1202220220020 is an abundant number, since it is smaller than the sum of its proper divisors (2273511189900).

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

1202220220020 is a wasteful number, since it uses less digits than its factorization.

1202220220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172505 (or 172503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1202220220020 its reverse (200220222021), we get a palindrome (1402440442041).

The spelling of 1202220220020 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty".