3948612020 has 18 divisors (see below), whose sum is σ = 8292675426. Its totient is φ = 1579332400.

The previous prime is 3948612013. The next prime is 3948612061. The reversal of 3948612020 is 202168493.

It can be written as a sum of positive squares in only one way, i.e., 3158889616 + 789722404 = 56204^2 + 28102^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273995 + ... + 288045.

Almost surely, 2^3948612020 is an apocalyptic number.

It is an amenable number.

3948612020 is an abundant number, since it is smaller than the sum of its proper divisors (4344063406).

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

3948612020 is an frugal number, since it uses more digits than its factorization.

3948612020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28111 (or 14058 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3948612020 is about 62837.9823036991. The cubic root of 3948612020 is about 1580.5739542733.

The spelling of 3948612020 in words is "three billion, nine hundred forty-eight million, six hundred twelve thousand, twenty".