1020043142300 has 144 divisors (see below), whose sum is σ = 2724850931712. Its totient is φ = 322761542400.

The previous prime is 1020043142299. The next prime is 1020043142309. The reversal of 1020043142300 is 32413400201.

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 (1020043142309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66267605 + ... + 66282995.

Almost surely, 2^{1020043142300} is an apocalyptic number.

1020043142300 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 1020043142300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362425465856).

1020043142300 is an abundant number, since it is smaller than the sum of its proper divisors (1704807789412).

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

1020043142300 is a wasteful number, since it uses less digits than its factorization.

1020043142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708 (or 22701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1020043142300 its reverse (32413400201), we get a palindrome (1052456542501).

The spelling of 1020043142300 in words is "one trillion, twenty billion, forty-three million, one hundred forty-two thousand, three hundred".