1020220432 has 40 divisors (see below), whose sum is σ = 2464431552. Its totient is φ = 397488000.

The previous prime is 1020220417. The next prime is 1020220441. The reversal of 1020220432 is 2340220201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412819 + ... + 415282.

Almost surely, 2^1020220432 is an apocalyptic number.

It is an amenable number.

1020220432 is an abundant number, since it is smaller than the sum of its proper divisors (1444211120).

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

1020220432 is a wasteful number, since it uses less digits than its factorization.

1020220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828127 (or 828121 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1020220432 is about 31940.8896557375. The cubic root of 1020220432 is about 1006.6952180159.

Adding to 1020220432 its reverse (2340220201), we get a palindrome (3360440633).

The spelling of 1020220432 in words is "one billion, twenty million, two hundred twenty thousand, four hundred thirty-two".