20153024124 has 12 divisors (see below), whose sum is σ = 47023722984. Its totient is φ = 6717674704.

The previous prime is 20153024123. The next prime is 20153024197. The reversal of 20153024124 is 42142035102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20153024124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20153024094 and 20153024103.

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 3 ways as a sum of consecutive naturals, for example, 839709327 + ... + 839709350.

It is an arithmetic number, because the mean of its divisors is an integer number (3918643582).

Almost surely, 2^20153024124 is an apocalyptic number.

It is an amenable number.

20153024124 is an abundant number, since it is smaller than the sum of its proper divisors (26870698860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20153024124 is a wasteful number, since it uses less digits than its factorization.

20153024124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679418684 (or 1679418682 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20153024124 its reverse (42142035102), we get a palindrome (62295059226).

The spelling of 20153024124 in words is "twenty billion, one hundred fifty-three million, twenty-four thousand, one hundred twenty-four".