1020203132 has 24 divisors (see below), whose sum is σ = 1945863696. Its totient is φ = 465187968.

The previous prime is 1020203131. The next prime is 1020203137. The reversal of 1020203132 is 2313020201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020203131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113873 + ... + 122504.

It is an arithmetic number, because the mean of its divisors is an integer number (81077654).

Almost surely, 2^1020203132 is an apocalyptic number.

It is an amenable number.

1020203132 is a deficient number, since it is larger than the sum of its proper divisors (925660564).

1020203132 is a wasteful number, since it uses less digits than its factorization.

1020203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236477 (or 236475 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020203132 is about 31940.6188418446. The cubic root of 1020203132 is about 1006.6895277666.

Adding to 1020203132 its reverse (2313020201), we get a palindrome (3333223333).

The spelling of 1020203132 in words is "one billion, twenty million, two hundred three thousand, one hundred thirty-two".