20050522683961 has 27 divisors (see below), whose sum is σ = 25637649917103. Its totient is φ = 15623515242720.

The previous prime is 20050522683959. The next prime is 20050522683977. The reversal of 20050522683961 is 16938622505002.

The square root of 20050522683961 is 4477781.

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

It can be written as a sum of positive squares in only one way, i.e., 17235751225 + 20033286932736 = 131285^2 + 4475856^2 .

It is not a de Polignac number, because 20050522683961 - 2¹ = 20050522683959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (20050522683911) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 344760061 + ... + 344818213.

Almost surely, 2^{20050522683961} is an apocalyptic number.

20050522683961 is the 4477781-st square number.

20050522683961 is the 2238891-st centered octagonal number.

It is an amenable number.

20050522683961 is a deficient number, since it is larger than the sum of its proper divisors (5587127233142).

20050522683961 is an frugal number, since it uses more digits than its factorization.

20050522683961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116342 (or 58171 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

Multiplying 20050522683961 by its sum of digits (49), we get a square (982475611514089 = 31344467²).

20050522683961 divided by its sum of digits (49) gives a square (409194340489 = 639683²).

The spelling of 20050522683961 in words is "twenty trillion, fifty billion, five hundred twenty-two million, six hundred eighty-three thousand, nine hundred sixty-one".