1020220335132 has 36 divisors (see below), whose sum is σ = 2385263254920. Its totient is φ = 339396344672.

The previous prime is 1020220335077. The next prime is 1020220335151. The reversal of 1020220335132 is 2315330220201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868094 + ... + 3204122.

Almost surely, 2^{1020220335132} is an apocalyptic number.

1020220335132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020220335132 is an abundant number, since it is smaller than the sum of its proper divisors (1365042919788).

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

1020220335132 is an equidigital number, since it uses as much as digits as its factorization.

1020220335132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337042 (or 336537 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1020220335132 its reverse (2315330220201), we get a palindrome (3335550555333).

The spelling of 1020220335132 in words is "one trillion, twenty billion, two hundred twenty million, three hundred thirty-five thousand, one hundred thirty-two".