20334028 has 48 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 8078400.

The previous prime is 20334007. The next prime is 20334049. The reversal of 20334028 is 82043302.

It is an interprime number because it is at equal distance from previous prime (20334007) and next prime (20334049).

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 15 ways as a sum of consecutive naturals, for example, 9933 + ... + 11803.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^20334028 is an apocalyptic number.

It is an amenable number.

20334028 is an abundant number, since it is smaller than the sum of its proper divisors (23695412).

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

20334028 is a wasteful number, since it uses less digits than its factorization.

20334028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20334028 is about 4509.3267790215. The cubic root of 20334028 is about 272.9445785514.

The spelling of 20334028 in words is "twenty million, three hundred thirty-four thousand, twenty-eight".