26103475220 has 36 divisors (see below), whose sum is σ = 55137256860. Its totient is φ = 10380797184.

The previous prime is 26103475219. The next prime is 26103475249. The reversal of 26103475220 is 2257430162.

It can be written as a sum of positive squares in 6 ways, for example, as 523311376 + 25580163844 = 22876^2 + 159938^2 .

It is a super-2 number, since 2×26103475220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576776 + ... + 620384.

Almost surely, 2^26103475220 is an apocalyptic number.

26103475220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26103475220 is an abundant number, since it is smaller than the sum of its proper divisors (29033781640).

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

26103475220 is a wasteful number, since it uses less digits than its factorization.

26103475220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43964 (or 43789 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 26103475220 in words is "twenty-six billion, one hundred three million, four hundred seventy-five thousand, two hundred twenty".