20422076 has 24 divisors (see below), whose sum is σ = 37569840. Its totient is φ = 9700992.

The previous prime is 20422043. The next prime is 20422079. The reversal of 20422076 is 67022402.

It is a super-2 number, since 2×20422076² = 834122376299552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 7968.

It is an arithmetic number, because the mean of its divisors is an integer number (1565410).

Almost surely, 2^20422076 is an apocalyptic number.

It is an amenable number.

20422076 is a deficient number, since it is larger than the sum of its proper divisors (17147764).

20422076 is a wasteful number, since it uses less digits than its factorization.

20422076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20422076 is about 4519.0791097302. The cubic root of 20422076 is about 273.3379687230.

Adding to 20422076 its reverse (67022402), we get a palindrome (87444478).

The spelling of 20422076 in words is "twenty million, four hundred twenty-two thousand, seventy-six".