20519002 has 8 divisors (see below), whose sum is σ = 35175456. Its totient is φ = 8793852.

The previous prime is 20518991. The next prime is 20519027. The reversal of 20519002 is 20091502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732808 + ... + 732835.

It is an arithmetic number, because the mean of its divisors is an integer number (4396932).

Almost surely, 2^20519002 is an apocalyptic number.

20519002 is a deficient number, since it is larger than the sum of its proper divisors (14656454).

20519002 is a wasteful number, since it uses less digits than its factorization.

20519002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465652.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 20519002 is about 4529.7905028820. The cubic root of 20519002 is about 273.7697196723.

The spelling of 20519002 in words is "twenty million, five hundred nineteen thousand, two".