20445341098 has 32 divisors (see below), whose sum is σ = 39046815360. Its totient is φ = 7809359040.

The previous prime is 20445341083. The next prime is 20445341099. The reversal of 20445341098 is 89014354402.

It is a super-2 number, since 2×20445341098² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20445341098.

It is not an unprimeable number, because it can be changed into a prime (20445341099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931568 + ... + 1942123.

It is an arithmetic number, because the mean of its divisors is an integer number (1220212980).

Almost surely, 2^20445341098 is an apocalyptic number.

20445341098 is a deficient number, since it is larger than the sum of its proper divisors (18601474262).

20445341098 is a wasteful number, since it uses less digits than its factorization.

20445341098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873742.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 20445341098 in words is "twenty billion, four hundred forty-five million, three hundred forty-one thousand, ninety-eight".