20445141502 has 8 divisors (see below), whose sum is σ = 30670572096. Its totient is φ = 10221617472.

The previous prime is 20445141419. The next prime is 20445141503. The reversal of 20445141502 is 20514154402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20445141502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20445141503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449523 + ... + 492910.

It is an arithmetic number, because the mean of its divisors is an integer number (3833821512).

Almost surely, 2^20445141502 is an apocalyptic number.

20445141502 is a deficient number, since it is larger than the sum of its proper divisors (10225430594).

20445141502 is a wasteful number, since it uses less digits than its factorization.

20445141502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953282.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 20445141502 its reverse (20514154402), we get a palindrome (40959295904).

The spelling of 20445141502 in words is "twenty billion, four hundred forty-five million, one hundred forty-one thousand, five hundred two".