2650340020 has 48 divisors (see below), whose sum is σ = 5877627840. Its totient is φ = 1001085696.

The previous prime is 2650339943. The next prime is 2650340023. The reversal of 2650340020 is 200430562.

It is a happy number.

It is a super-2 number, since 2×2650340020² = 14048604443227200800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2650339973 and 2650340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650340023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107799 + ... + 130081.

It is an arithmetic number, because the mean of its divisors is an integer number (122450580).

Almost surely, 2^2650340020 is an apocalyptic number.

2650340020 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 2650340020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938813920).

2650340020 is an abundant number, since it is smaller than the sum of its proper divisors (3227287820).

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

2650340020 is a wasteful number, since it uses less digits than its factorization.

2650340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22624 (or 22622 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2650340020 is about 51481.4531651934. The cubic root of 2650340020 is about 1383.8866871545.

Adding to 2650340020 its reverse (200430562), we get a palindrome (2850770582).

The spelling of 2650340020 in words is "two billion, six hundred fifty million, three hundred forty thousand, twenty".