20153250252 has 48 divisors (see below), whose sum is σ = 52878698880. Its totient is φ = 6636810384.

The previous prime is 20153250251. The next prime is 20153250259. The reversal of 20153250252 is 25205235102.

20153250252 is a `hidden beast` number, since 2 + 0 + 153 + 2 + 502 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20153250251) 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, 1115158 + ... + 1133085.

It is an arithmetic number, because the mean of its divisors is an integer number (1101639560).

Almost surely, 2^20153250252 is an apocalyptic number.

It is an amenable number.

20153250252 is an abundant number, since it is smaller than the sum of its proper divisors (32725448628).

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

20153250252 is a wasteful number, since it uses less digits than its factorization.

20153250252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248339 (or 2248331 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 20153250252 its reverse (25205235102), we get a palindrome (45358485354).

The spelling of 20153250252 in words is "twenty billion, one hundred fifty-three million, two hundred fifty thousand, two hundred fifty-two".