20422098 has 32 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 6784848.

The previous prime is 20422097. The next prime is 20422121. The reversal of 20422098 is 89022402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20422097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27115 + ... + 27857.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 2^20422098 is an apocalyptic number.

20422098 is an abundant number, since it is smaller than the sum of its proper divisors (25110702).

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

20422098 is a wasteful number, since it uses less digits than its factorization.

20422098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20422098 is about 4519.0815438538. The cubic root of 20422098 is about 273.3380668755.

The spelling of 20422098 in words is "twenty million, four hundred twenty-two thousand, ninety-eight".