1022020120202 has 8 divisors (see below), whose sum is σ = 1547094677700. Its totient is φ = 506321894304.

The previous prime is 1022020120201. The next prime is 1022020120237. The reversal of 1022020120202 is 2020210202201.

It can be written as a sum of positive squares in 2 ways, for example, as 800471985481 + 221548134721 = 894691^2 + 470689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1022020120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344082627 + ... + 2344083062.

Almost surely, 2^{1022020120202} is an apocalyptic number.

1022020120202 is a deficient number, since it is larger than the sum of its proper divisors (525074557498).

1022020120202 is a wasteful number, since it uses less digits than its factorization.

1022020120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688165800.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1022020120202 its reverse (2020210202201), we get a palindrome (3042230322403).

The spelling of 1022020120202 in words is "one trillion, twenty-two billion, twenty million, one hundred twenty thousand, two hundred two".