20153024252 has 12 divisors (see below), whose sum is σ = 35764522416. Its totient is φ = 9934589280.

The previous prime is 20153024233. The next prime is 20153024263. The reversal of 20153024252 is 25242035102.

It is a super-2 number, since 2×20153024252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35480393 + ... + 35480960.

It is an arithmetic number, because the mean of its divisors is an integer number (2980376868).

Almost surely, 2^20153024252 is an apocalyptic number.

It is an amenable number.

20153024252 is a deficient number, since it is larger than the sum of its proper divisors (15611498164).

20153024252 is a wasteful number, since it uses less digits than its factorization.

20153024252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70961428 (or 70961426 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20153024252 its reverse (25242035102), we get a palindrome (45395059354).

The spelling of 20153024252 in words is "twenty billion, one hundred fifty-three million, twenty-four thousand, two hundred fifty-two".