20514886 has 16 divisors (see below), whose sum is σ = 37237536. Its totient is φ = 8274816.

The previous prime is 20514877. The next prime is 20514899. The reversal of 20514886 is 68841502.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 42861 + ... + 43336.

It is an arithmetic number, because the mean of its divisors is an integer number (2327346).

Almost surely, 2^20514886 is an apocalyptic number.

20514886 is a deficient number, since it is larger than the sum of its proper divisors (16722650).

20514886 is a wasteful number, since it uses less digits than its factorization.

20514886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86223.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 20514886 is about 4529.3361544491. The cubic root of 20514886 is about 273.7514128768.

The spelling of 20514886 in words is "twenty million, five hundred fourteen thousand, eight hundred eighty-six".