20152333545 has 32 divisors (see below), whose sum is σ = 35624800512. Its totient is φ = 9675866112.

The previous prime is 20152333423. The next prime is 20152333549. The reversal of 20152333545 is 54533325102.

It is not a de Polignac number, because 20152333545 - 2⁷ = 20152333417 is a prime.

It is a super-2 number, since 2×20152333545² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152333549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1712152 + ... + 1723881.

It is an arithmetic number, because the mean of its divisors is an integer number (1113275016).

Almost surely, 2^20152333545 is an apocalyptic number.

It is an amenable number.

20152333545 is a deficient number, since it is larger than the sum of its proper divisors (15472466967).

20152333545 is a wasteful number, since it uses less digits than its factorization.

20152333545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436081.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 20152333545 its reverse (54533325102), we get a palindrome (74685658647).

The spelling of 20152333545 in words is "twenty billion, one hundred fifty-two million, three hundred thirty-three thousand, five hundred forty-five".