1020020202000 has 480 divisors, whose sum is σ = 3757263269760. Its totient is φ = 267387609600.

The previous prime is 1020020201969. The next prime is 1020020202041. The reversal of 1020020202000 is 2020200201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28656214 + ... + 28691786.

It is an arithmetic number, because the mean of its divisors is an integer number (7827631812).

Almost surely, 2^{1020020202000} is an apocalyptic number.

1020020202000 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 1020020202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878631634880).

1020020202000 is an abundant number, since it is smaller than the sum of its proper divisors (2737243067760).

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

1020020202000 is an equidigital number, since it uses as much as digits as its factorization.

1020020202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35670 (or 35642 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 1020020202000 its reverse (2020200201), we get a palindrome (1022040402201).

The spelling of 1020020202000 in words is "one trillion, twenty billion, twenty million, two hundred two thousand".