2002195020 has 96 divisors (see below), whose sum is σ = 6463876608. Its totient is φ = 453583872.

The previous prime is 2002194989. The next prime is 2002195049. The reversal of 2002195020 is 205912002.

It is a super-2 number, since 2×2002195020² = 8017569796225600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 26367 + ... + 68553.

It is an arithmetic number, because the mean of its divisors is an integer number (67332048).

Almost surely, 2^2002195020 is an apocalyptic number.

2002195020 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 2002195020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3231938304).

2002195020 is an abundant number, since it is smaller than the sum of its proper divisors (4461681588).

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

2002195020 is a wasteful number, since it uses less digits than its factorization.

2002195020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42319 (or 42317 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2002195020 is about 44745.8938898308. The cubic root of 2002195020 is about 1260.3818066914.

The spelling of 2002195020 in words is "two billion, two million, one hundred ninety-five thousand, twenty".