1022003020000 has 120 divisors (see below), whose sum is σ = 2542535503200. Its totient is φ = 404207232000.

The previous prime is 1022003019949. The next prime is 1022003020013. The reversal of 1022003020000 is 203002201.

It is a super-3 number, since 3×1022003020000³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1492921 + ... + 2067079.

It is an arithmetic number, because the mean of its divisors is an integer number (21187795860).

Almost surely, 2^{1022003020000} is an apocalyptic number.

1022003020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022003020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271267751600).

1022003020000 is an abundant number, since it is smaller than the sum of its proper divisors (1520532483200).

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

1022003020000 is an frugal number, since it uses more digits than its factorization.

1022003020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574278 (or 574255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 1022003020000 its reverse (203002201), we get a palindrome (1022206022201).

The spelling of 1022003020000 in words is "one trillion, twenty-two billion, three million, twenty thousand".