2602045020 has 96 divisors (see below), whose sum is σ = 7531066368. Its totient is φ = 670872832.

The previous prime is 2602045013. The next prime is 2602045021. The reversal of 2602045020 is 205402062.

It is a super-2 number, since 2×2602045020² = 13541276572213600800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602045021) 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, 228502 + ... + 239618.

It is an arithmetic number, because the mean of its divisors is an integer number (78448608).

Almost surely, 2^2602045020 is an apocalyptic number.

2602045020 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 2602045020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765533184).

2602045020 is an abundant number, since it is smaller than the sum of its proper divisors (4929021348).

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

2602045020 is a wasteful number, since it uses less digits than its factorization.

2602045020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259 (or 11257 counting only the distinct ones).

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

The square root of 2602045020 is about 51010.2442652454. The cubic root of 2602045020 is about 1375.4292909702.

Adding to 2602045020 its reverse (205402062), we get a palindrome (2807447082).

The spelling of 2602045020 in words is "two billion, six hundred two million, forty-five thousand, twenty".