20442242214 has 32 divisors (see below), whose sum is σ = 45572377440. Its totient is φ = 6792304896.

The previous prime is 20442242209. The next prime is 20442242257. The reversal of 20442242214 is 41224224402.

20442242214 is a `hidden beast` number, since 2 + 0 + 442 + 2 + 4 + 2 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587827 + ... + 621630.

It is an arithmetic number, because the mean of its divisors is an integer number (1424136795).

Almost surely, 2^20442242214 is an apocalyptic number.

20442242214 is an abundant number, since it is smaller than the sum of its proper divisors (25130135226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20442242214 is a wasteful number, since it uses less digits than its factorization.

20442242214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209781 (or 1209775 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 20442242214 its reverse (41224224402), we get a palindrome (61666466616).

The spelling of 20442242214 in words is "twenty billion, four hundred forty-two million, two hundred forty-two thousand, two hundred fourteen".