20514120 has 64 divisors (see below), whose sum is σ = 67141440. Its totient is φ = 4972800.

The previous prime is 20514103. The next prime is 20514149. The reversal of 20514120 is 2141502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20514120.

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, 6451 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (1049085).

Almost surely, 2^20514120 is an apocalyptic number.

20514120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514120 is an abundant number, since it is smaller than the sum of its proper divisors (46627320).

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

20514120 is a wasteful number, since it uses less digits than its factorization.

20514120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566 (or 15562 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20514120 is about 4529.2515938066. The cubic root of 20514120 is about 273.7480056567.

Adding to 20514120 its reverse (2141502), we get a palindrome (22655622).

The spelling of 20514120 in words is "twenty million, five hundred fourteen thousand, one hundred twenty".