1102020023 has 12 divisors (see below), whose sum is σ = 1226323224. Its totient is φ = 984423600.

The previous prime is 1102020013. The next prime is 1102020041. The reversal of 1102020023 is 3200202011.

It is a happy number.

It is not a de Polignac number, because 1102020023 - 2⁶ = 1102019959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102019986 and 1102020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31613 + ... + 56598.

It is an arithmetic number, because the mean of its divisors is an integer number (102193602).

Almost surely, 2^1102020023 is an apocalyptic number.

1102020023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1102020023 is a deficient number, since it is larger than the sum of its proper divisors (124303201).

1102020023 is an equidigital number, since it uses as much as digits as its factorization.

1102020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88286 (or 88255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1102020023 is about 33196.6869280656. The cubic root of 1102020023 is about 1032.9116168044.

Adding to 1102020023 its reverse (3200202011), we get a palindrome (4302222034).

The spelling of 1102020023 in words is "one billion, one hundred two million, twenty thousand, twenty-three".