2234521020 has 192 divisors, whose sum is σ = 6636704256. Its totient is φ = 561116160.

The previous prime is 2234521007. The next prime is 2234521043. The reversal of 2234521020 is 201254322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12345330 + ... + 12345510.

It is an arithmetic number, because the mean of its divisors is an integer number (34566168).

Almost surely, 2^2234521020 is an apocalyptic number.

2234521020 is a gapful number since it is divisible by the number (20) 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 2234521020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318352128).

2234521020 is an abundant number, since it is smaller than the sum of its proper divisors (4402183236).

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

2234521020 is a wasteful number, since it uses less digits than its factorization.

2234521020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2234521020 is about 47270.7205360781. The cubic root of 2234521020 is about 1307.3588610330.

Adding to 2234521020 its reverse (201254322), we get a palindrome (2435775342).

It can be divided in two parts, 22345 and 21020, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2234521020 in words is "two billion, two hundred thirty-four million, five hundred twenty-one thousand, twenty".