1002020122152 has 160 divisors (see below), whose sum is σ = 3272985144000. Its totient is φ = 286291399968.

The previous prime is 1002020122121. The next prime is 1002020122153. The reversal of 1002020122152 is 2512210202001.

It is a super-2 number, since 2×1002020122152² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1002020122153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2031858 + ... + 2476385.

It is an arithmetic number, because the mean of its divisors is an integer number (20456157150).

Almost surely, 2^{1002020122152} is an apocalyptic number.

1002020122152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002020122152 is an abundant number, since it is smaller than the sum of its proper divisors (2270965021848).

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

1002020122152 is an equidigital number, since it uses as much as digits as its factorization.

1002020122152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508282 (or 4508255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 1002020122152 its reverse (2512210202001), we get a palindrome (3514230324153).

The spelling of 1002020122152 in words is "one trillion, two billion, twenty million, one hundred twenty-two thousand, one hundred fifty-two".