7052209920 has 864 divisors, whose sum is σ = 29998725120. Its totient is φ = 1552711680.

The previous prime is 7052209907. The next prime is 7052209949. The reversal of 7052209920 is 299022507.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89268441 + ... + 89268519.

Almost surely, 2^7052209920 is an apocalyptic number.

7052209920 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 7052209920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999362560).

7052209920 is an abundant number, since it is smaller than the sum of its proper divisors (22946515200).

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

7052209920 is an equidigital number, since it uses as much as digits as its factorization.

7052209920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 7052209920 is about 83977.4369697004. The cubic root of 7052209920 is about 1917.6753114606.

The spelling of 7052209920 in words is "seven billion, fifty-two million, two hundred nine thousand, nine hundred twenty".