20522213350 has 24 divisors (see below), whose sum is σ = 38262024288. Its totient is φ = 8189378400.

The previous prime is 20522213317. The next prime is 20522213407. The reversal of 20522213350 is 5331222502.

It is a super-2 number, since 2×20522213350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466414 + ... + 508513.

It is an arithmetic number, because the mean of its divisors is an integer number (1594251012).

Almost surely, 2^20522213350 is an apocalyptic number.

20522213350 is a deficient number, since it is larger than the sum of its proper divisors (17739810938).

20522213350 is a wasteful number, since it uses less digits than its factorization.

20522213350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975360 (or 975355 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20522213350 its reverse (5331222502), we get a palindrome (25853435852).

The spelling of 20522213350 in words is "twenty billion, five hundred twenty-two million, two hundred thirteen thousand, three hundred fifty".