2021652000 has 192 divisors, whose sum is σ = 7359206400. Its totient is φ = 539078400.

The previous prime is 2021651987. The next prime is 2021652007. The reversal of 2021652000 is 2561202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021652007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98641 + ... + 117359.

It is an arithmetic number, because the mean of its divisors is an integer number (38329200).

Almost surely, 2^2021652000 is an apocalyptic number.

2021652000 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 2021652000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679603200).

2021652000 is an abundant number, since it is smaller than the sum of its proper divisors (5337554400).

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

2021652000 is a wasteful number, since it uses less digits than its factorization.

2021652000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753 (or 18729 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2021652000 is about 44962.7846112760. The cubic root of 2021652000 is about 1264.4513756739.

The spelling of 2021652000 in words is "two billion, twenty-one million, six hundred fifty-two thousand".