1020420352 has 36 divisors (see below), whose sum is σ = 2327838016. Its totient is φ = 437322240.

The previous prime is 1020420347. The next prime is 1020420367. The reversal of 1020420352 is 2530240201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282924 + ... + 286507.

Almost surely, 2^1020420352 is an apocalyptic number.

It is an amenable number.

1020420352 is an abundant number, since it is smaller than the sum of its proper divisors (1307417664).

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

1020420352 is an frugal number, since it uses more digits than its factorization.

1020420352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569454 (or 569440 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1020420352 is about 31944.0190333026. The cubic root of 1020420352 is about 1006.7609702648.

Adding to 1020420352 its reverse (2530240201), we get a palindrome (3550660553).

The spelling of 1020420352 in words is "one billion, twenty million, four hundred twenty thousand, three hundred fifty-two".