1020023331 has 8 divisors (see below), whose sum is σ = 1363678800. Its totient is φ = 678191712.

The previous prime is 1020023327. The next prime is 1020023353. The reversal of 1020023331 is 1333200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020023331 - 2² = 1020023327 is a prime.

It is a super-2 number, since 2×1020023331² = 2080895191568671122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020023331.

It is not an unprimeable number, because it can be changed into a prime (1020023311) 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, 454656 + ... + 456893.

It is an arithmetic number, because the mean of its divisors is an integer number (170459850).

Almost surely, 2^1020023331 is an apocalyptic number.

1020023331 is a deficient number, since it is larger than the sum of its proper divisors (343655469).

1020023331 is an equidigital number, since it uses as much as digits as its factorization.

1020023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911925.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1020023331 is about 31937.8041042273. The cubic root of 1020023331 is about 1006.6303845063.

Adding to 1020023331 its reverse (1333200201), we get a palindrome (2353223532).

The spelling of 1020023331 in words is "one billion, twenty million, twenty-three thousand, three hundred thirty-one".