20030131022032 has 40 divisors (see below), whose sum is σ = 41096906645256. Its totient is φ = 9424640618496.

The previous prime is 20030131022029. The next prime is 20030131022269. The reversal of 20030131022032 is 23022013103002.

It can be written as a sum of positive squares in 4 ways, for example, as 12528031934016 + 7502099088016 = 3539496^2 + 2738996^2 .

It is a super-2 number, since 2×20030131022032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3119293 + ... + 7056220.

Almost surely, 2^{20030131022032} is an apocalyptic number.

It is an amenable number.

20030131022032 is an abundant number, since it is smaller than the sum of its proper divisors (21066775623224).

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

20030131022032 is a wasteful number, since it uses less digits than its factorization.

20030131022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182775 (or 10182769 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20030131022032 its reverse (23022013103002), we get a palindrome (43052144125034).

The spelling of 20030131022032 in words is "twenty trillion, thirty billion, one hundred thirty-one million, twenty-two thousand, thirty-two".