20422050 has 48 divisors (see below), whose sum is σ = 55255392. Its totient is φ = 4950400.

The previous prime is 20422043. The next prime is 20422079. The reversal of 20422050 is 5022402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4539 + ... + 7838.

It is an arithmetic number, because the mean of its divisors is an integer number (1151154).

Almost surely, 2^20422050 is an apocalyptic number.

20422050 is an abundant number, since it is smaller than the sum of its proper divisors (34833342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422050 is a wasteful number, since it uses less digits than its factorization.

20422050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20422050 is about 4519.0762330370. The cubic root of 20422050 is about 273.3378527245.

Adding to 20422050 its reverse (5022402), we get a palindrome (25444452).

The spelling of 20422050 in words is "twenty million, four hundred twenty-two thousand, fifty".