20113444442 has 48 divisors (see below), whose sum is σ = 38436340320. Its totient is φ = 7822073952.

The previous prime is 20113444411. The next prime is 20113444457. The reversal of 20113444442 is 24444431102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58628 + ... + 208959.

It is an arithmetic number, because the mean of its divisors is an integer number (800757090).

Almost surely, 2^20113444442 is an apocalyptic number.

20113444442 is a deficient number, since it is larger than the sum of its proper divisors (18322895878).

20113444442 is a wasteful number, since it uses less digits than its factorization.

20113444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267675 (or 267668 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20113444442 its reverse (24444431102), we get a palindrome (44557875544).

The spelling of 20113444442 in words is "twenty billion, one hundred thirteen million, four hundred forty-four thousand, four hundred forty-two".