1102403020 has 24 divisors (see below), whose sum is σ = 2319781968. Its totient is φ = 440059200.

The previous prime is 1102402999. The next prime is 1102403077. The reversal of 1102403020 is 203042011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46311 + ... + 65950.

It is an arithmetic number, because the mean of its divisors is an integer number (96657582).

Almost surely, 2^1102403020 is an apocalyptic number.

1102403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102403020 is an abundant number, since it is smaller than the sum of its proper divisors (1217378948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102403020 is a wasteful number, since it uses less digits than its factorization.

1102403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112761 (or 112759 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1102403020 is about 33202.4550297113. The cubic root of 1102403020 is about 1033.0312626129.

Adding to 1102403020 its reverse (203042011), we get a palindrome (1305445031).

The spelling of 1102403020 in words is "one billion, one hundred two million, four hundred three thousand, twenty".