68202420 has 96 divisors (see below), whose sum is σ = 224380800. Its totient is φ = 15260160.

The previous prime is 68202413. The next prime is 68202427. The reversal of 68202420 is 2420286.

It is an interprime number because it is at equal distance from previous prime (68202413) and next prime (68202427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68202427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4606 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (2337300).

Almost surely, 2^68202420 is an apocalyptic number.

68202420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112190400).

68202420 is an abundant number, since it is smaller than the sum of its proper divisors (156178380).

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

68202420 is a wasteful number, since it uses less digits than its factorization.

68202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7983 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 68202420 is about 8258.4756462679. The cubic root of 68202420 is about 408.5701132159.

The spelling of 68202420 in words is "sixty-eight million, two hundred two thousand, four hundred twenty".