20011313032 has 32 divisors (see below), whose sum is σ = 38855917080. Its totient is φ = 9655925760.

The previous prime is 20011312973. The next prime is 20011313041. The reversal of 20011313032 is 23031311002.

It can be written as a sum of positive squares in 4 ways, for example, as 8657558116 + 11353754916 = 93046^2 + 106554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20011312997 and 20011313015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360993 + ... + 412720.

Almost surely, 2^20011313032 is an apocalyptic number.

It is an amenable number.

20011313032 is a deficient number, since it is larger than the sum of its proper divisors (18844604048).

20011313032 is a wasteful number, since it uses less digits than its factorization.

20011313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773833 (or 773829 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20011313032 its reverse (23031311002), we get a palindrome (43042624034).

The spelling of 20011313032 in words is "twenty billion, eleven million, three hundred thirteen thousand, thirty-two".