1020043201000 has 32 divisors (see below), whose sum is σ = 2386901092680. Its totient is φ = 408017280000.

The previous prime is 1020043200971. The next prime is 1020043201003. The reversal of 1020043201000 is 1023400201.

It can be written as a sum of positive squares in 4 ways, for example, as 528241147204 + 491802053796 = 726802^2 + 701286^2 .

It is not an unprimeable number, because it can be changed into a prime (1020043201003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510020601 + ... + 510022600.

Almost surely, 2^{1020043201000} is an apocalyptic number.

1020043201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020043201000 is an abundant number, since it is smaller than the sum of its proper divisors (1366857891680).

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

1020043201000 is a wasteful number, since it uses less digits than its factorization.

1020043201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020043222 (or 1020043208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1020043201000 its reverse (1023400201), we get a palindrome (1021066601201).

The spelling of 1020043201000 in words is "one trillion, twenty billion, forty-three million, two hundred one thousand".