20125321352 has 8 divisors (see below), whose sum is σ = 37734977550. Its totient is φ = 10062660672.

The previous prime is 20125321351. The next prime is 20125321367. The reversal of 20125321352 is 25312352102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15176761636 + 4948559716 = 123194^2 + 70346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20125321351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257832577 + ... + 1257832592.

Almost surely, 2^20125321352 is an apocalyptic number.

It is an amenable number.

20125321352 is a deficient number, since it is larger than the sum of its proper divisors (17609656198).

20125321352 is a wasteful number, since it uses less digits than its factorization.

20125321352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515665175 (or 2515665171 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20125321352 its reverse (25312352102), we get a palindrome (45437673454).

The spelling of 20125321352 in words is "twenty billion, one hundred twenty-five million, three hundred twenty-one thousand, three hundred fifty-two".