1420033021 has 8 divisors (see below), whose sum is σ = 1554722784. Its totient is φ = 1286275920.

The previous prime is 1420033009. The next prime is 1420033049. The reversal of 1420033021 is 1203300241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420033021 - 2²⁹ = 883162109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420032986 and 1420033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420033061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229975 + ... + 236068.

It is an arithmetic number, because the mean of its divisors is an integer number (194340348).

Almost surely, 2^1420033021 is an apocalyptic number.

1420033021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420033021 is a deficient number, since it is larger than the sum of its proper divisors (134689763).

1420033021 is a wasteful number, since it uses less digits than its factorization.

1420033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466331.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1420033021 is about 37683.3255034637. The cubic root of 1420033021 is about 1123.9995770590. Note that the first 3 decimals are identical.

Adding to 1420033021 its reverse (1203300241), we get a palindrome (2623333262).

The spelling of 1420033021 in words is "one billion, four hundred twenty million, thirty-three thousand, twenty-one".