68264020 has 24 divisors (see below), whose sum is σ = 156387168. Its totient is φ = 24823200.

The previous prime is 68264011. The next prime is 68264029. The reversal of 68264020 is 2046286.

It is an interprime number because it is at equal distance from previous prime (68264011) and next prime (68264029).

It is a self number, because there is not a number n which added to its sum of digits gives 68264020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68264029) 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, 154926 + ... + 155365.

It is an arithmetic number, because the mean of its divisors is an integer number (6516132).

Almost surely, 2^68264020 is an apocalyptic number.

It is an amenable number.

68264020 is an abundant number, since it is smaller than the sum of its proper divisors (88123148).

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

68264020 is a wasteful number, since it uses less digits than its factorization.

68264020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310311 (or 310309 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68264020 is about 8262.2043063580. The cubic root of 68264020 is about 408.6930821936.

The spelling of 68264020 in words is "sixty-eight million, two hundred sixty-four thousand, twenty".