20503014 has 32 divisors (see below), whose sum is σ = 49332480. Its totient is φ = 5549472.

The previous prime is 20503013. The next prime is 20503027. The reversal of 20503014 is 41030502.

It is a junction number, because it is equal to n+sod(n) for n = 20502984 and 20503002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12049 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (1541640).

Almost surely, 2^20503014 is an apocalyptic number.

20503014 is an abundant number, since it is smaller than the sum of its proper divisors (28829466).

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

20503014 is a wasteful number, since it uses less digits than its factorization.

20503014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25724.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20503014 is about 4528.0253974553. The cubic root of 20503014 is about 273.6985958817.

Adding to 20503014 its reverse (41030502), we get a palindrome (61533516).

The spelling of 20503014 in words is "twenty million, five hundred three thousand, fourteen".