20862033040 has 20 divisors (see below), whose sum is σ = 48504227004. Its totient is φ = 8344813184.

The previous prime is 20862033019. The next prime is 20862033053. The reversal of 20862033040 is 4033026802.

It can be written as a sum of positive squares in 2 ways, for example, as 7676563456 + 13185469584 = 87616^2 + 114828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 130387627 + ... + 130387786.

Almost surely, 2^20862033040 is an apocalyptic number.

20862033040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20862033040 is an abundant number, since it is smaller than the sum of its proper divisors (27642193964).

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

20862033040 is a wasteful number, since it uses less digits than its factorization.

20862033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260775426 (or 260775420 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20862033040 its reverse (4033026802), we get a palindrome (24895059842).

The spelling of 20862033040 in words is "twenty billion, eight hundred sixty-two million, thirty-three thousand, forty".