1102020428 has 12 divisors (see below), whose sum is σ = 1950205320. Its totient is φ = 544818912.

The previous prime is 1102020407. The next prime is 1102020443. The reversal of 1102020428 is 8240202011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547426 + ... + 1548137.

It is an arithmetic number, because the mean of its divisors is an integer number (162517110).

Almost surely, 2^1102020428 is an apocalyptic number.

It is an amenable number.

1102020428 is a deficient number, since it is larger than the sum of its proper divisors (848184892).

1102020428 is a wasteful number, since it uses less digits than its factorization.

1102020428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095656 (or 3095654 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1102020428 is about 33196.6930280713. The cubic root of 1102020428 is about 1032.9117433384.

Adding to 1102020428 its reverse (8240202011), we get a palindrome (9342222439).

The spelling of 1102020428 in words is "one billion, one hundred two million, twenty thousand, four hundred twenty-eight".