1420331770 has 48 divisors (see below), whose sum is σ = 3020097312. Its totient is φ = 476748480.

The previous prime is 1420331761. The next prime is 1420331771. The reversal of 1420331770 is 771330241.

It is not an unprimeable number, because it can be changed into a prime (1420331771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19612 + ... + 56791.

It is an arithmetic number, because the mean of its divisors is an integer number (62918694).

Almost surely, 2^1420331770 is an apocalyptic number.

1420331770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420331770 is an abundant number, since it is smaller than the sum of its proper divisors (1599765542).

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

1420331770 is a wasteful number, since it uses less digits than its factorization.

1420331770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76447 (or 76434 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1420331770 is about 37687.2892365583. The cubic root of 1420331770 is about 1124.0783945229.

The spelling of 1420331770 in words is "one billion, four hundred twenty million, three hundred thirty-one thousand, seven hundred seventy".