1420133420 has 24 divisors (see below), whose sum is σ = 3157709184. Its totient is φ = 534638336.

The previous prime is 1420133419. The next prime is 1420133483. The reversal of 1420133420 is 243310241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1420133392 and 1420133401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088092 + ... + 2088771.

It is an arithmetic number, because the mean of its divisors is an integer number (131571216).

Almost surely, 2^1420133420 is an apocalyptic number.

1420133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420133420 is an abundant number, since it is smaller than the sum of its proper divisors (1737575764).

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

1420133420 is a wasteful number, since it uses less digits than its factorization.

1420133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176889 (or 4176887 counting only the distinct ones).

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

The square root of 1420133420 is about 37684.6576208409. The cubic root of 1420133420 is about 1124.0260660613.

Adding to 1420133420 its reverse (243310241), we get a palindrome (1663443661).

The spelling of 1420133420 in words is "one billion, four hundred twenty million, one hundred thirty-three thousand, four hundred twenty".