20326226562 has 64 divisors (see below), whose sum is σ = 50343638400. Its totient is φ = 6041226240.

The previous prime is 20326226561. The next prime is 20326226567. The reversal of 20326226562 is 26562262302.

20326226562 is a `hidden beast` number, since 2 + 0 + 32 + 62 + 2 + 6 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (20326226561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565239 + ... + 600122.

It is an arithmetic number, because the mean of its divisors is an integer number (786619350).

Almost surely, 2^20326226562 is an apocalyptic number.

20326226562 is an abundant number, since it is smaller than the sum of its proper divisors (30017411838).

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

20326226562 is a wasteful number, since it uses less digits than its factorization.

20326226562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165408 (or 1165402 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 20326226562 its reverse (26562262302), we get a palindrome (46888488864).

It can be divided in two parts, 2032622 and 6562, that added together give a square (2039184 = 1428²).

The spelling of 20326226562 in words is "twenty billion, three hundred twenty-six million, two hundred twenty-six thousand, five hundred sixty-two".