1020200502322 has 4 divisors (see below), whose sum is σ = 1530300753486. Its totient is φ = 510100251160.

The previous prime is 1020200502319. The next prime is 1020200502329. The reversal of 1020200502322 is 2232050020201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 818447711761 + 201752790561 = 904681^2 + 449169^2 .

It is a super-2 number, since 2×1020200502322² (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 1020200502322.

It is not an unprimeable number, because it can be changed into a prime (1020200502329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255050125579 + ... + 255050125582.

Almost surely, 2^{1020200502322} is an apocalyptic number.

1020200502322 is a deficient number, since it is larger than the sum of its proper divisors (510100251164).

1020200502322 is an equidigital number, since it uses as much as digits as its factorization.

1020200502322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510100251163.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 1020200502322 its reverse (2232050020201), we get a palindrome (3252250522523).

The spelling of 1020200502322 in words is "one trillion, twenty billion, two hundred million, five hundred two thousand, three hundred twenty-two".