1420448020 has 24 divisors (see below), whose sum is σ = 2984585184. Its totient is φ = 567866016.

The previous prime is 1420448017. The next prime is 1420448041. The reversal of 1420448020 is 208440241.

It is a congruent number.

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, 19519 + ... + 56761.

It is an arithmetic number, because the mean of its divisors is an integer number (124357716).

Almost surely, 2^1420448020 is an apocalyptic number.

1420448020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420448020 is an abundant number, since it is smaller than the sum of its proper divisors (1564137164).

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

1420448020 is a wasteful number, since it uses less digits than its factorization.

1420448020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39159 (or 39157 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1420448020 is about 37688.8315021838. The cubic root of 1420448020 is about 1124.1090611956.

Adding to 1420448020 its reverse (208440241), we get a palindrome (1628888261).

The spelling of 1420448020 in words is "one billion, four hundred twenty million, four hundred forty-eight thousand, twenty".