20014489 has 12 divisors (see below), whose sum is σ = 22120560. Its totient is φ = 18095000.

The previous prime is 20014481. The next prime is 20014493. The reversal of 20014489 is 98441002.

It is not a de Polignac number, because 20014489 - 2³ = 20014481 is a prime.

It is a super-2 number, since 2×20014489² = 801159539862242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20014481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30042 + ... + 30700.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^20014489 is an apocalyptic number.

It is an amenable number.

20014489 is a deficient number, since it is larger than the sum of its proper divisors (2106071).

20014489 is a wasteful number, since it uses less digits than its factorization.

20014489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 20014489 is about 4473.7555811644. The cubic root of 20014489 is about 271.5072944984.

It can be divided in two parts, 20014 and 489, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 20014489 in words is "twenty million, fourteen thousand, four hundred eighty-nine".