20223323311257 has 32 divisors (see below), whose sum is σ = 32698875918720. Its totient is φ = 12251040696000.

The previous prime is 20223323311223. The next prime is 20223323311277. The reversal of 20223323311257 is 75211332332202.

20223323311257 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 332 + 3 + 311 + 2 + 5 + 7 = 666.

It is not a de Polignac number, because 20223323311257 - 2⁷ = 20223323311129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20223323311277) 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, 14669494 + ... + 15988767.

It is an arithmetic number, because the mean of its divisors is an integer number (1021839872460).

Almost surely, 2^{20223323311257} is an apocalyptic number.

20223323311257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20223323311257 is a deficient number, since it is larger than the sum of its proper divisors (12475552607463).

20223323311257 is a wasteful number, since it uses less digits than its factorization.

20223323311257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30660502 (or 30660496 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

Adding to 20223323311257 its reverse (75211332332202), we get a palindrome (95434655643459).

The spelling of 20223323311257 in words is "twenty trillion, two hundred twenty-three billion, three hundred twenty-three million, three hundred eleven thousand, two hundred fifty-seven".