1020020314340 has 12 divisors (see below), whose sum is σ = 2142042660156. Its totient is φ = 408008125728.

The previous prime is 1020020314297. The next prime is 1020020314351. The reversal of 1020020314340 is 434130200201.

It can be written as a sum of positive squares in 2 ways, for example, as 592087158784 + 427933155556 = 769472^2 + 654166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 51001015717 = 1020020314340 / (1 + 0 + 2 + 0 + 0 + 2 + 0 + 3 + 1 + 4 + 3 + 4 + 0).

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, 25500507839 + ... + 25500507878.

It is an arithmetic number, because the mean of its divisors is an integer number (178503555013).

Almost surely, 2^{1020020314340} is an apocalyptic number.

1020020314340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020314340 is an abundant number, since it is smaller than the sum of its proper divisors (1122022345816).

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

1020020314340 is a wasteful number, since it uses less digits than its factorization.

1020020314340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51001015726 (or 51001015724 counting only the distinct ones).

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

Adding to 1020020314340 its reverse (434130200201), we get a palindrome (1454150514541).

The spelling of 1020020314340 in words is "one trillion, twenty billion, twenty million, three hundred fourteen thousand, three hundred forty".