1420002045320 has 16 divisors (see below), whose sum is σ = 3195004602060. Its totient is φ = 568000818112.

The previous prime is 1420002045317. The next prime is 1420002045337. The reversal of 1420002045320 is 235402000241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1360876232356 + 59125812964 = 1166566^2 + 243158^2 .

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, 17750025527 + ... + 17750025606.

Almost surely, 2^{1420002045320} is an apocalyptic number.

1420002045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420002045320 is an abundant number, since it is smaller than the sum of its proper divisors (1775002556740).

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

1420002045320 is a wasteful number, since it uses less digits than its factorization.

1420002045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35500051144 (or 35500051140 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 1420002045320 its reverse (235402000241), we get a palindrome (1655404045561).

The spelling of 1420002045320 in words is "one trillion, four hundred twenty billion, two million, forty-five thousand, three hundred twenty".