20436461260 has 48 divisors (see below), whose sum is σ = 45468954720. Its totient is φ = 7689006080.

The previous prime is 20436461233. The next prime is 20436461273. The reversal of 20436461260 is 6216463402.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563475 + ... + 598645.

It is an arithmetic number, because the mean of its divisors is an integer number (947269890).

Almost surely, 2^20436461260 is an apocalyptic number.

20436461260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20436461260 is an abundant number, since it is smaller than the sum of its proper divisors (25032493460).

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

20436461260 is a wasteful number, since it uses less digits than its factorization.

20436461260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36906 (or 36904 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 20436461260 in words is "twenty billion, four hundred thirty-six million, four hundred sixty-one thousand, two hundred sixty".