20152224051 has 8 divisors (see below), whose sum is σ = 26877234384. Its totient is φ = 13431014880.

The previous prime is 20152224047. The next prime is 20152224061. The reversal of 20152224051 is 15042225102.

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

It is not a de Polignac number, because 20152224051 - 2² = 20152224047 is a prime.

It is a super-2 number, since 2×20152224051² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152224061) 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, 937896 + ... + 959141.

It is an arithmetic number, because the mean of its divisors is an integer number (3359654298).

Almost surely, 2^20152224051 is an apocalyptic number.

20152224051 is a deficient number, since it is larger than the sum of its proper divisors (6725010333).

20152224051 is a wasteful number, since it uses less digits than its factorization.

20152224051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900581.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20152224051 its reverse (15042225102), we get a palindrome (35194449153).

The spelling of 20152224051 in words is "twenty billion, one hundred fifty-two million, two hundred twenty-four thousand, fifty-one".