1002020222210 has 24 divisors (see below), whose sum is σ = 2098107649980. Its totient is φ = 343549790304.

The previous prime is 1002020222201. The next prime is 1002020222249. The reversal of 1002020222210 is 122220202001.

It can be written as a sum of positive squares in 2 ways, for example, as 832092420481 + 169927801729 = 912191^2 + 412223^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1022469125 + ... + 1022470104.

Almost surely, 2^{1002020222210} is an apocalyptic number.

1002020222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002020222210 is an abundant number, since it is smaller than the sum of its proper divisors (1096087427770).

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

1002020222210 is a wasteful number, since it uses less digits than its factorization.

1002020222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044939250 (or 2044939243 counting only the distinct ones).

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

Adding to 1002020222210 its reverse (122220202001), we get a palindrome (1124240424211).

The spelling of 1002020222210 in words is "one trillion, two billion, twenty million, two hundred twenty-two thousand, two hundred ten".