1020333420 has 36 divisors (see below), whose sum is σ = 3095011920. Its totient is φ = 272088864.

The previous prime is 1020333407. The next prime is 1020333437. The reversal of 1020333420 is 243330201.

1020333420 is a `hidden beast` number, since 10 + 203 + 33 + 420 = 666.

1020333420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1020333393 and 1020333402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2834080 + ... + 2834439.

Almost surely, 2^1020333420 is an apocalyptic number.

1020333420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020333420 is an abundant number, since it is smaller than the sum of its proper divisors (2074678500).

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

1020333420 is a wasteful number, since it uses less digits than its factorization.

1020333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668534 (or 5668529 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1020333420 is about 31942.6583114180. The cubic root of 1020333420 is about 1006.7323800111.

Adding to 1020333420 its reverse (243330201), we get a palindrome (1263663621).

The spelling of 1020333420 in words is "one billion, twenty million, three hundred thirty-three thousand, four hundred twenty".