1020220311332 has 12 divisors (see below), whose sum is σ = 1790047128576. Its totient is φ = 508778274600.

The previous prime is 1020220311329. The next prime is 1020220311377. The reversal of 1020220311332 is 2331130220201.

It is a super-2 number, since 2×1020220311332² (a number of 25 digits) contains 22 as substring.

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, 332968544 + ... + 332971607.

It is an arithmetic number, because the mean of its divisors is an integer number (149170594048).

Almost surely, 2^{1020220311332} is an apocalyptic number.

It is an amenable number.

1020220311332 is a deficient number, since it is larger than the sum of its proper divisors (769826817244).

1020220311332 is a wasteful number, since it uses less digits than its factorization.

1020220311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665940538 (or 665940536 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1020220311332 its reverse (2331130220201), we get a palindrome (3351350531533).

The spelling of 1020220311332 in words is "one trillion, twenty billion, two hundred twenty million, three hundred eleven thousand, three hundred thirty-two".