20227938 has 16 divisors (see below), whose sum is σ = 40588896. Its totient is φ = 6720480.

The previous prime is 20227919. The next prime is 20227957. The reversal of 20227938 is 83972202.

It is an interprime number because it is at equal distance from previous prime (20227919) and next prime (20227957).

It is a junction number, because it is equal to n+sod(n) for n = 20227899 and 20227908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (2536806).

Almost surely, 2^20227938 is an apocalyptic number.

20227938 is an abundant number, since it is smaller than the sum of its proper divisors (20360958).

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

20227938 is a wasteful number, since it uses less digits than its factorization.

20227938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20227938 is about 4497.5479986321. The cubic root of 20227938 is about 272.4690669935.

The spelling of 20227938 in words is "twenty million, two hundred twenty-seven thousand, nine hundred thirty-eight".