1420002020 has 24 divisors (see below), whose sum is σ = 3026514624. Its totient is φ = 559522656.

The previous prime is 1420002019. The next prime is 1420002041. The reversal of 1420002020 is 202000241.

It is a junction number, because it is equal to n+sod(n) for n = 1420001992 and 1420002010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528512 + ... + 531191.

It is an arithmetic number, because the mean of its divisors is an integer number (126104776).

Almost surely, 2^1420002020 is an apocalyptic number.

1420002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420002020 is an abundant number, since it is smaller than the sum of its proper divisors (1606512604).

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

1420002020 is a wasteful number, since it uses less digits than its factorization.

1420002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059779 (or 1059777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1420002020 is about 37682.9141654411. The cubic root of 1420002020 is about 1123.9913975862.

Adding to 1420002020 its reverse (202000241), we get a palindrome (1622002261).

The spelling of 1420002020 in words is "one billion, four hundred twenty million, two thousand, twenty".