20524366542346 has 16 divisors (see below), whose sum is σ = 31502792385504. Its totient is φ = 10023439933584.

The previous prime is 20524366542343. The next prime is 20524366542413. The reversal of 20524366542346 is 64324566342502.

It is a happy number.

It is a super-2 number, since 2×20524366542346² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20524366542293 and 20524366542302.

It is not an unprimeable number, because it can be changed into a prime (20524366542343) 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, 9421045 + ... + 11393191.

It is an arithmetic number, because the mean of its divisors is an integer number (1968924524094).

Almost surely, 2^{20524366542346} is an apocalyptic number.

20524366542346 is a deficient number, since it is larger than the sum of its proper divisors (10978425843158).

20524366542346 is a wasteful number, since it uses less digits than its factorization.

20524366542346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093205.

The product of its (nonzero) digits is 24883200, while the sum is 52.

The spelling of 20524366542346 in words is "twenty trillion, five hundred twenty-four billion, three hundred sixty-six million, five hundred forty-two thousand, three hundred forty-six".