1020442140430 has 8 divisors (see below), whose sum is σ = 1836795852792. Its totient is φ = 408176856168.

The previous prime is 1020442140407. The next prime is 1020442140451. The reversal of 1020442140430 is 340412440201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020442140395 and 1020442140404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51022107012 + ... + 51022107031.

It is an arithmetic number, because the mean of its divisors is an integer number (229599481599).

Almost surely, 2^{1020442140430} is an apocalyptic number.

1020442140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020442140430 is a deficient number, since it is larger than the sum of its proper divisors (816353712362).

1020442140430 is a wasteful number, since it uses less digits than its factorization.

1020442140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102044214050.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1020442140430 its reverse (340412440201), we get a palindrome (1360854580631).

The spelling of 1020442140430 in words is "one trillion, twenty billion, four hundred forty-two million, one hundred forty thousand, four hundred thirty".