1020431432 has 32 divisors (see below), whose sum is σ = 2030356800. Its totient is φ = 479755584.

The previous prime is 1020431431. The next prime is 1020431437. The reversal of 1020431432 is 2341340201.

It is not an unprimeable number, because it can be changed into a prime (1020431431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36143 + ... + 57854.

It is an arithmetic number, because the mean of its divisors is an integer number (63448650).

Almost surely, 2^1020431432 is an apocalyptic number.

It is an amenable number.

1020431432 is a deficient number, since it is larger than the sum of its proper divisors (1009925368).

1020431432 is a wasteful number, since it uses less digits than its factorization.

1020431432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94085 (or 94081 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020431432 is about 31944.1924612284. The cubic root of 1020431432 is about 1006.7646141459.

Adding to 1020431432 its reverse (2341340201), we get a palindrome (3361771633).

The spelling of 1020431432 in words is "one billion, twenty million, four hundred thirty-one thousand, four hundred thirty-two".