1020220033312 has 48 divisors (see below), whose sum is σ = 2129411864160. Its totient is φ = 479493301248.

The previous prime is 1020220033303. The next prime is 1020220033403. The reversal of 1020220033312 is 2133300220201.

It is a super-2 number, since 2×1020220033312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020220033312.

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, 763362 + ... + 1619617.

It is an arithmetic number, because the mean of its divisors is an integer number (44362747170).

Almost surely, 2^{1020220033312} is an apocalyptic number.

It is an amenable number.

1020220033312 is an abundant number, since it is smaller than the sum of its proper divisors (1109191830848).

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

1020220033312 is a wasteful number, since it uses less digits than its factorization.

1020220033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383793 (or 2383785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1020220033312 its reverse (2133300220201), we get a palindrome (3153520253513).

The spelling of 1020220033312 in words is "one trillion, twenty billion, two hundred twenty million, thirty-three thousand, three hundred twelve".