1936118420 has 18 divisors (see below), whose sum is σ = 4066261962. Its totient is φ = 774368656.

The previous prime is 1936118419. The next prime is 1936118477. The reversal of 1936118420 is 248116391.

It can be written as a sum of positive squares in only one way, i.e., 1548894736 + 387223684 = 39356^2 + 19678^2 .

It is a super-4 number, since 4×1936118420⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191861 + ... + 201699.

Almost surely, 2^1936118420 is an apocalyptic number.

1936118420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936118420 is an abundant number, since it is smaller than the sum of its proper divisors (2130143542).

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

1936118420 is an frugal number, since it uses more digits than its factorization.

1936118420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19687 (or 9846 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1936118420 is about 44001.3456612409. The cubic root of 1936118420 is about 1246.3613480469.

The spelling of 1936118420 in words is "one billion, nine hundred thirty-six million, one hundred eighteen thousand, four hundred twenty".