20144310 has 16 divisors (see below), whose sum is σ = 48346416. Its totient is φ = 5371808.

The previous prime is 20144279. The next prime is 20144321. The reversal of 20144310 is 1344102.

It is a super-2 number, since 2×20144310² = 811586450752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20144310.

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, 335709 + ... + 335768.

It is an arithmetic number, because the mean of its divisors is an integer number (3021651).

Almost surely, 2^20144310 is an apocalyptic number.

20144310 is an abundant number, since it is smaller than the sum of its proper divisors (28202106).

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

20144310 is a wasteful number, since it uses less digits than its factorization.

20144310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671487.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20144310 is about 4488.2413036734. The cubic root of 20144310 is about 272.0930603574.

Adding to 20144310 its reverse (1344102), we get a palindrome (21488412).

It can be divided in two parts, 201 and 44310, that multiplied together give a triangular number (8906310 = T₄₂₂₀).

The spelling of 20144310 in words is "twenty million, one hundred forty-four thousand, three hundred ten".