20153024125 has 16 divisors (see below), whose sum is σ = 27085666608. Its totient is φ = 14882232000.

The previous prime is 20153024123. The next prime is 20153024197. The reversal of 20153024125 is 52142035102.

It can be written as a sum of positive squares in 8 ways, for example, as 7675687321 + 12477336804 = 87611^2 + 111702^2 .

It is not a de Polignac number, because 20153024125 - 2¹ = 20153024123 is a prime.

It is a super-2 number, since 2×20153024125² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 20153024125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153024123) 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, 6199306 + ... + 6202555.

It is an arithmetic number, because the mean of its divisors is an integer number (1692854163).

Almost surely, 2^20153024125 is an apocalyptic number.

20153024125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20153024125 is a deficient number, since it is larger than the sum of its proper divisors (6932642483).

20153024125 is a wasteful number, since it uses less digits than its factorization.

20153024125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401889 (or 12401879 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20153024125 its reverse (52142035102), we get a palindrome (72295059227).

The spelling of 20153024125 in words is "twenty billion, one hundred fifty-three million, twenty-four thousand, one hundred twenty-five".