20021502214 has 12 divisors (see below), whose sum is σ = 34935478524. Its totient is φ = 8580643764.

The previous prime is 20021502209. The next prime is 20021502269. The reversal of 20021502214 is 41220512002.

It is a junction number, because it is equal to n+sod(n) for n = 20021502191 and 20021502200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102150424 + ... + 102150619.

It is an arithmetic number, because the mean of its divisors is an integer number (2911289877).

Almost surely, 2^20021502214 is an apocalyptic number.

20021502214 is a deficient number, since it is larger than the sum of its proper divisors (14913976310).

20021502214 is a wasteful number, since it uses less digits than its factorization.

20021502214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204301059 (or 204301052 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 20021502214 in words is "twenty billion, twenty-one million, five hundred two thousand, two hundred fourteen".