20122502 has 8 divisors (see below), whose sum is σ = 30204576. Its totient is φ = 10054312.

The previous prime is 20122499. The next prime is 20122511. The reversal of 20122502 is 20522102.

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

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, 1688 + ... + 6564.

It is an arithmetic number, because the mean of its divisors is an integer number (3775572).

Almost surely, 2^20122502 is an apocalyptic number.

20122502 is a deficient number, since it is larger than the sum of its proper divisors (10082074).

20122502 is a wasteful number, since it uses less digits than its factorization.

20122502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 20122502 is about 4485.8111863965. The cubic root of 20122502 is about 271.9948366234.

Adding to 20122502 its reverse (20522102), we get a palindrome (40644604).

The spelling of 20122502 in words is "twenty million, one hundred twenty-two thousand, five hundred two".