20014965 has 32 divisors (see below), whose sum is σ = 36552960. Its totient is φ = 10383552.

The previous prime is 20014957. The next prime is 20014979. The reversal of 20014965 is 56941002.

It is not a de Polignac number, because 20014965 - 2³ = 20014957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (1142280).

Almost surely, 2^20014965 is an apocalyptic number.

It is an amenable number.

20014965 is a deficient number, since it is larger than the sum of its proper divisors (16537995).

20014965 is a wasteful number, since it uses less digits than its factorization.

20014965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20014965 is about 4473.8087799994. The cubic root of 20014965 is about 271.5094468799.

Adding to 20014965 its reverse (56941002), we get a palindrome (76955967).

Subtracting 20014965 from its reverse (56941002), we obtain a cube (36926037 = 333³).

The spelling of 20014965 in words is "twenty million, fourteen thousand, nine hundred sixty-five".