20461093279236 has 243 divisors, whose sum is σ = 55934881176447. Its totient is φ = 6305249364480.

The previous prime is 20461093279213. The next prime is 20461093279261. The reversal of 20461093279236 is 63297239016402.

The square root of 20461093279236 is 4523394.

It is a perfect power (a square), and thus also a powerful number.

20461093279236 is a `hidden beast` number, since 2 + 0 + 46 + 10 + 93 + 279 + 236 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1887958440900 + 18573134838336 = 1374030^2 + 4309656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 28144557105 + ... + 28144557831.

Almost surely, 2^{20461093279236} is an apocalyptic number.

20461093279236 is the 4523394-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20461093279236

20461093279236 is an abundant number, since it is smaller than the sum of its proper divisors (35473787897211).

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

20461093279236 is an equidigital number, since it uses as much as digits as its factorization.

20461093279236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 20461093279236 in words is "twenty trillion, four hundred sixty-one billion, ninety-three million, two hundred seventy-nine thousand, two hundred thirty-six".