1020024230428 has 96 divisors (see below), whose sum is σ = 2212517350400. Its totient is φ = 401662250496.

The previous prime is 1020024230419. The next prime is 1020024230429. The reversal of 1020024230428 is 8240324200201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1020024230396 and 1020024230405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020024230429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6078313 + ... + 6243871.

Almost surely, 2^{1020024230428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020024230428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106258675200).

1020024230428 is an abundant number, since it is smaller than the sum of its proper divisors (1192493119972).

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

1020024230428 is a wasteful number, since it uses less digits than its factorization.

1020024230428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165939 (or 165937 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1020024230428 its reverse (8240324200201), we get a palindrome (9260348430629).

The spelling of 1020024230428 in words is "one trillion, twenty billion, twenty-four million, two hundred thirty thousand, four hundred twenty-eight".