1020143032 has 8 divisors (see below), whose sum is σ = 1912768200. Its totient is φ = 510071512.

The previous prime is 1020143023. The next prime is 1020143039. The reversal of 1020143032 is 2303410201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1020142997 and 1020143015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020143039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63758932 + ... + 63758947.

It is an arithmetic number, because the mean of its divisors is an integer number (239096025).

Almost surely, 2^1020143032 is an apocalyptic number.

It is an amenable number.

1020143032 is a deficient number, since it is larger than the sum of its proper divisors (892625168).

1020143032 is a wasteful number, since it uses less digits than its factorization.

1020143032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127517885 (or 127517881 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020143032 is about 31939.6780196670. The cubic root of 1020143032 is about 1006.6697594065.

Adding to 1020143032 its reverse (2303410201), we get a palindrome (3323553233).

The spelling of 1020143032 in words is "one billion, twenty million, one hundred forty-three thousand, thirty-two".