20211502132 has 6 divisors (see below), whose sum is σ = 35370128738. Its totient is φ = 10105751064.

The previous prime is 20211502127. The next prime is 20211502133. The reversal of 20211502132 is 23120511202.

It can be written as a sum of positive squares in only one way, i.e., 19727326116 + 484176016 = 140454^2 + 22004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211502133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526437763 + ... + 2526437770.

Almost surely, 2^20211502132 is an apocalyptic number.

It is an amenable number.

20211502132 is a deficient number, since it is larger than the sum of its proper divisors (15158626606).

20211502132 is a wasteful number, since it uses less digits than its factorization.

20211502132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052875537 (or 5052875535 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 20211502132 in words is "twenty billion, two hundred eleven million, five hundred two thousand, one hundred thirty-two".