2061881032 has 8 divisors (see below), whose sum is σ = 3866026950. Its totient is φ = 1030940512.

The previous prime is 2061881011. The next prime is 2061881039. The reversal of 2061881032 is 2301881602.

It can be written as a sum of positive squares in only one way, i.e., 1657629796 + 404251236 = 40714^2 + 20106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2061880985 and 2061881003.

It is not an unprimeable number, because it can be changed into a prime (2061881039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128867557 + ... + 128867572.

Almost surely, 2^2061881032 is an apocalyptic number.

It is an amenable number.

2061881032 is a deficient number, since it is larger than the sum of its proper divisors (1804145918).

2061881032 is a wasteful number, since it uses less digits than its factorization.

2061881032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257735135 (or 257735131 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2061881032 is about 45407.9401867118. The cubic root of 2061881032 is about 1272.7834937428.

The spelling of 2061881032 in words is "two billion, sixty-one million, eight hundred eighty-one thousand, thirty-two".