1420093920 has 192 divisors, whose sum is σ = 5231761920. Its totient is φ = 317011968.

The previous prime is 1420093919. The next prime is 1420093931. The reversal of 1420093920 is 293900241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139566 + ... + 149394.

It is an arithmetic number, because the mean of its divisors is an integer number (27248760).

Almost surely, 2^1420093920 is an apocalyptic number.

1420093920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420093920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615880960).

1420093920 is an abundant number, since it is smaller than the sum of its proper divisors (3811668000).

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

1420093920 is a wasteful number, since it uses less digits than its factorization.

1420093920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897 (or 9889 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1420093920 is about 37684.1335312357. The cubic root of 1420093920 is about 1124.0156446365.

The spelling of 1420093920 in words is "one billion, four hundred twenty million, ninety-three thousand, nine hundred twenty".