20020268 has 6 divisors (see below), whose sum is σ = 35035476. Its totient is φ = 10010132.

The previous prime is 20020267. The next prime is 20020277. The reversal of 20020268 is 86202002.

It is a super-2 number, since 2×20020268² = 801622261583648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502530 + ... + 2502537.

It is an arithmetic number, because the mean of its divisors is an integer number (5839246).

Almost surely, 2^20020268 is an apocalyptic number.

It is an amenable number.

20020268 is a deficient number, since it is larger than the sum of its proper divisors (15015208).

20020268 is a wasteful number, since it uses less digits than its factorization.

20020268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005071 (or 5005069 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20020268 is about 4474.4014124797. The cubic root of 20020268 is about 271.5334237301.

The spelling of 20020268 in words is "twenty million, twenty thousand, two hundred sixty-eight".