2152612020 has 96 divisors (see below), whose sum is σ = 6525388800. Its totient is φ = 527063040.

The previous prime is 2152612001. The next prime is 2152612061. The reversal of 2152612020 is 202162512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141756 + ... + 156204.

It is an arithmetic number, because the mean of its divisors is an integer number (67972800).

Almost surely, 2^2152612020 is an apocalyptic number.

2152612020 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 2152612020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3262694400).

2152612020 is an abundant number, since it is smaller than the sum of its proper divisors (4372776780).

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

2152612020 is a wasteful number, since it uses less digits than its factorization.

2152612020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665 (or 14663 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2152612020 is about 46396.2500639869. The cubic root of 2152612020 is about 1291.1853415961.

Adding to 2152612020 its reverse (202162512), we get a palindrome (2354774532).

The spelling of 2152612020 in words is "two billion, one hundred fifty-two million, six hundred twelve thousand, twenty".