20140221132 has 48 divisors (see below), whose sum is σ = 52876364800. Its totient is φ = 6628424400.

The previous prime is 20140221131. The next prime is 20140221149. The reversal of 20140221132 is 23112204102.

It is a happy number.

20140221132 is a `hidden beast` number, since 20 + 1 + 402 + 211 + 32 = 666.

It is a super-2 number, since 2×20140221132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20140221131) 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, 1171744 + ... + 1188807.

Almost surely, 2^20140221132 is an apocalyptic number.

It is an amenable number.

20140221132 is an abundant number, since it is smaller than the sum of its proper divisors (32736143668).

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

20140221132 is a wasteful number, since it uses less digits than its factorization.

20140221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360643 (or 2360635 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20140221132 its reverse (23112204102), we get a palindrome (43252425234).

The spelling of 20140221132 in words is "twenty billion, one hundred forty million, two hundred twenty-one thousand, one hundred thirty-two".