1020352520000 has 280 divisors, whose sum is σ = 2767517260992. Its totient is φ = 370048000000.

The previous prime is 1020352519999. The next prime is 1020352520003. The reversal of 1020352520000 is 252530201.

It is a super-2 number, since 2×1020352520000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020352520003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176437109 + ... + 176442891.

Almost surely, 2^{1020352520000} is an apocalyptic number.

1020352520000 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 1020352520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383758630496).

1020352520000 is an abundant number, since it is smaller than the sum of its proper divisors (1747164740992).

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

1020352520000 is an equidigital number, since it uses as much as digits as its factorization.

1020352520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227 (or 6202 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 1020352520000 in words is "one trillion, twenty billion, three hundred fifty-two million, five hundred twenty thousand".