68633020 has 24 divisors (see below), whose sum is σ = 145533024. Its totient is φ = 27185856.

The previous prime is 68633017. The next prime is 68633023. The reversal of 68633020 is 2033686.

It is an interprime number because it is at equal distance from previous prime (68633017) and next prime (68633023).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68633020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68633023) 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, 14599 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (6063876).

Almost surely, 2^68633020 is an apocalyptic number.

It is an amenable number.

68633020 is an abundant number, since it is smaller than the sum of its proper divisors (76900004).

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

68633020 is a wasteful number, since it uses less digits than its factorization.

68633020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33429 (or 33427 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 68633020 is about 8284.5048132040. The cubic root of 68633020 is about 409.4281538114.

The spelling of 68633020 in words is "sixty-eight million, six hundred thirty-three thousand, twenty".