20530262221416 has 24 divisors (see below), whose sum is σ = 55602793516530. Its totient is φ = 6843420740448.

The previous prime is 20530262221411. The next prime is 20530262221457. The reversal of 20530262221416 is 61412226203502.

20530262221416 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 0 + 2 + 622 + 2 + 14 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17523818333316 + 3006443888100 = 4186146^2 + 1733910^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×20530262221416³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20530262221411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142571265355 + ... + 142571265498.

Almost surely, 2^{20530262221416} is an apocalyptic number.

It is an amenable number.

20530262221416 is an abundant number, since it is smaller than the sum of its proper divisors (35072531295114).

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

20530262221416 is a wasteful number, since it uses less digits than its factorization.

20530262221416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285142530865 (or 285142530858 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 20530262221416 its reverse (61412226203502), we get a palindrome (81942488424918).

The spelling of 20530262221416 in words is "twenty trillion, five hundred thirty billion, two hundred sixty-two million, two hundred twenty-one thousand, four hundred sixteen".