20013225153 has 8 divisors (see below), whose sum is σ = 26690394816. Its totient is φ = 13339102800.

The previous prime is 20013225139. The next prime is 20013225157. The reversal of 20013225153 is 35152231002.

It is a happy number.

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

It is not a de Polignac number, because 20013225153 - 2²¹ = 20011128001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20013225157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746458 + ... + 772803.

It is an arithmetic number, because the mean of its divisors is an integer number (3336299352).

Almost surely, 2^20013225153 is an apocalyptic number.

It is an amenable number.

20013225153 is a deficient number, since it is larger than the sum of its proper divisors (6677169663).

20013225153 is a wasteful number, since it uses less digits than its factorization.

20013225153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523655.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20013225153 its reverse (35152231002), we get a palindrome (55165456155).

The spelling of 20013225153 in words is "twenty billion, thirteen million, two hundred twenty-five thousand, one hundred fifty-three".