7023002420 has 54 divisors (see below), whose sum is σ = 17162602758. Its totient is φ = 2406987072.

The previous prime is 7023002419. The next prime is 7023002431. The reversal of 7023002420 is 242003207.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 724040464 + 6298961956 = 26908^2 + 79366^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7023002392 and 7023002401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2622122 + ... + 2624798.

It is an arithmetic number, because the mean of its divisors is an integer number (317825977).

Almost surely, 2^7023002420 is an apocalyptic number.

7023002420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7023002420 is an abundant number, since it is smaller than the sum of its proper divisors (10139600338).

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

7023002420 is an equidigital number, since it uses as much as digits as its factorization.

7023002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7023002420 is about 83803.3556607371. The cubic root of 7023002420 is about 1915.0242273679.

Multiplying 7023002420 by its sum of digits (20), we get a square (140460048400 = 374780²).

7023002420 divided by its sum of digits (20) gives a square (351150121 = 18739²).

Adding to 7023002420 its reverse (242003207), we get a palindrome (7265005627).

The spelling of 7023002420 in words is "seven billion, twenty-three million, two thousand, four hundred twenty".