1420020630 has 96 divisors (see below), whose sum is σ = 4227522624. Its totient is φ = 323958528.

The previous prime is 1420020619. The next prime is 1420020643. The reversal of 1420020630 is 360200241.

It is a happy number.

1420020630 is a `hidden beast` number, since 14 + 2 + 0 + 0 + 20 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384352 + ... + 388028.

It is an arithmetic number, because the mean of its divisors is an integer number (44036694).

Almost surely, 2^1420020630 is an apocalyptic number.

1420020630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420020630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113761312).

1420020630 is an abundant number, since it is smaller than the sum of its proper divisors (2807501994).

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

1420020630 is a wasteful number, since it uses less digits than its factorization.

1420020630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1420020630 is about 37683.1610935176. The cubic root of 1420020630 is about 1123.9963077643.

Adding to 1420020630 its reverse (360200241), we get a palindrome (1780220871).

The spelling of 1420020630 in words is "one billion, four hundred twenty million, twenty thousand, six hundred thirty".