20533254346 has 8 divisors (see below), whose sum is σ = 33599870784. Its totient is φ = 9333297420.

The previous prime is 20533254319. The next prime is 20533254359. The reversal of 20533254346 is 64345233502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20533254346² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466664850 + ... + 466664893.

It is an arithmetic number, because the mean of its divisors is an integer number (4199983848).

Almost surely, 2^20533254346 is an apocalyptic number.

20533254346 is a deficient number, since it is larger than the sum of its proper divisors (13066616438).

20533254346 is a wasteful number, since it uses less digits than its factorization.

20533254346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933329756.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 20533254346 its reverse (64345233502), we get a palindrome (84878487848).

The spelling of 20533254346 in words is "twenty billion, five hundred thirty-three million, two hundred fifty-four thousand, three hundred forty-six".