20022070 has 8 divisors (see below), whose sum is σ = 36039744. Its totient is φ = 8008824.

The previous prime is 20022059. The next prime is 20022089. The reversal of 20022070 is 7022002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20022070.

It is a congruent number.

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, 1001094 + ... + 1001113.

It is an arithmetic number, because the mean of its divisors is an integer number (4504968).

Almost surely, 2^20022070 is an apocalyptic number.

20022070 is a deficient number, since it is larger than the sum of its proper divisors (16017674).

20022070 is a wasteful number, since it uses less digits than its factorization.

20022070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002214.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 20022070 is about 4474.6027756662. The cubic root of 20022070 is about 271.5415702835.

Adding to 20022070 its reverse (7022002), we get a palindrome (27044072).

The spelling of 20022070 in words is "twenty million, twenty-two thousand, seventy".