1020212303 has 16 divisors (see below), whose sum is σ = 1131667200. Its totient is φ = 911954880.

The previous prime is 1020212299. The next prime is 1020212309. The reversal of 1020212303 is 3032120201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1020212303 - 2² = 1020212299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286508 + ... + 290046.

It is an arithmetic number, because the mean of its divisors is an integer number (70729200).

Almost surely, 2^1020212303 is an apocalyptic number.

1020212303 is a deficient number, since it is larger than the sum of its proper divisors (111454897).

1020212303 is a wasteful number, since it uses less digits than its factorization.

1020212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982.

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

The square root of 1020212303 is about 31940.7624048018. The cubic root of 1020212303 is about 1006.6925442646.

Adding to 1020212303 its reverse (3032120201), we get a palindrome (4052332504).

The spelling of 1020212303 in words is "one billion, twenty million, two hundred twelve thousand, three hundred three".