10980020 has 12 divisors (see below), whose sum is σ = 23058084. Its totient is φ = 4392000.

The previous prime is 10979971. The next prime is 10980029. The reversal of 10980020 is 2008901.

10980020 = 241² + 242² + ... + 360².

10980020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5400976 + 5579044 = 2324^2 + 2362^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 549001 = 10980020 / (1 + 0 + 9 + 8 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10979974 and 10980001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10980029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274481 + ... + 274520.

It is an arithmetic number, because the mean of its divisors is an integer number (1921507).

Almost surely, 2^10980020 is an apocalyptic number.

10980020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10980020 is an abundant number, since it is smaller than the sum of its proper divisors (12078064).

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

10980020 is a wasteful number, since it uses less digits than its factorization.

10980020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549010 (or 549008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10980020 is about 3313.6113230130. The cubic root of 10980020 is about 222.2632755635.

Adding to 10980020 its reverse (2008901), we get a palindrome (12988921).

The spelling of 10980020 in words is "ten million, nine hundred eighty thousand, twenty".