20523020362 has 16 divisors (see below), whose sum is σ = 34048588392. Its totient is φ = 9216158400.

The previous prime is 20523020327. The next prime is 20523020363. The reversal of 20523020362 is 26302032502.

It can be written as a sum of positive squares in 4 ways, for example, as 18613417761 + 1909602601 = 136431^2 + 43699^2 .

It is a super-2 number, since 2×20523020362² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20523020363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10665889 + ... + 10667812.

Almost surely, 2^20523020362 is an apocalyptic number.

20523020362 is a deficient number, since it is larger than the sum of its proper divisors (13525568030).

20523020362 is a wasteful number, since it uses less digits than its factorization.

20523020362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21333753.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20523020362 its reverse (26302032502), we get a palindrome (46825052864).

The spelling of 20523020362 in words is "twenty billion, five hundred twenty-three million, twenty thousand, three hundred sixty-two".