20762104 has 32 divisors (see below), whose sum is σ = 43079040. Its totient is φ = 9301600.

The previous prime is 20762099. The next prime is 20762111. The reversal of 20762104 is 40126702.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 4587 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (1346220).

Almost surely, 2^20762104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20762104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21539520).

20762104 is an abundant number, since it is smaller than the sum of its proper divisors (22316936).

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

20762104 is a wasteful number, since it uses less digits than its factorization.

20762104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20762104 is about 4556.5451824820. The cubic root of 20762104 is about 274.8466539006.

Adding to 20762104 its reverse (40126702), we get a palindrome (60888806).

The spelling of 20762104 in words is "twenty million, seven hundred sixty-two thousand, one hundred four".