20103021032 has 16 divisors (see below), whose sum is σ = 37700074500. Its totient is φ = 10049667840.

The previous prime is 20103021023. The next prime is 20103021061. The reversal of 20103021032 is 23012030102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19219385956 + 883635076 = 138634^2 + 29726^2 .

It is a super-2 number, since 2×20103021032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20103020998 and 20103021016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183407 + ... + 271742.

Almost surely, 2^20103021032 is an apocalyptic number.

It is an amenable number.

20103021032 is a deficient number, since it is larger than the sum of its proper divisors (17597053468).

20103021032 is a wasteful number, since it uses less digits than its factorization.

20103021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460676 (or 460672 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20103021032 its reverse (23012030102), we get a palindrome (43115051134).

The spelling of 20103021032 in words is "twenty billion, one hundred three million, twenty-one thousand, thirty-two".