2002453620 has 24 divisors (see below), whose sum is σ = 5606870304. Its totient is φ = 533987616.

The previous prime is 2002453553. The next prime is 2002453693. The reversal of 2002453620 is 263542002.

It is a super-3 number, since 3×2002453620³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687054 + ... + 16687173.

It is an arithmetic number, because the mean of its divisors is an integer number (233619596).

Almost surely, 2^2002453620 is an apocalyptic number.

2002453620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002453620 is an abundant number, since it is smaller than the sum of its proper divisors (3604416684).

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

2002453620 is a wasteful number, since it uses less digits than its factorization.

2002453620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374239 (or 33374237 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2002453620 is about 44748.7834471508. The cubic root of 2002453620 is about 1260.4360672572.

Adding to 2002453620 its reverse (263542002), we get a palindrome (2265995622).

The spelling of 2002453620 in words is "two billion, two million, four hundred fifty-three thousand, six hundred twenty".