7229808012420 has 576 divisors, whose sum is σ = 27961644372480. Its totient is φ = 1472022429696.

The previous prime is 7229808012409. The next prime is 7229808012433. The reversal of 7229808012420 is 242108089227.

It is a happy number.

7229808012420 is a `hidden beast` number, since 72 + 2 + 9 + 80 + 80 + 1 + 2 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 444821014 + ... + 444837266.

It is an arithmetic number, because the mean of its divisors is an integer number (48544521480).

Almost surely, 2^{7229808012420} is an apocalyptic number.

7229808012420 is a gapful number since it is divisible by the number (70) 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 7229808012420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13980822186240).

7229808012420 is an abundant number, since it is smaller than the sum of its proper divisors (20731836360060).

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

7229808012420 is a wasteful number, since it uses less digits than its factorization.

7229808012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404 (or 17399 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 7229808012420 in words is "seven trillion, two hundred twenty-nine billion, eight hundred eight million, twelve thousand, four hundred twenty".