20533087796 has 24 divisors (see below), whose sum is σ = 38709450024. Its totient is φ = 9473754240.

The previous prime is 20533087787. The next prime is 20533087811. The reversal of 20533087796 is 69778033502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138391696 + 20394696100 = 11764^2 + 142810^2 .

It is a super-3 number, since 3×20533087796³ (a number of 32 digits) contains 333 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, 103346 + ... + 227478.

It is an arithmetic number, because the mean of its divisors is an integer number (1612893751).

Almost surely, 2^20533087796 is an apocalyptic number.

20533087796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20533087796 is a deficient number, since it is larger than the sum of its proper divisors (18176362228).

20533087796 is a wasteful number, since it uses less digits than its factorization.

20533087796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127331 (or 127329 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 20533087796 in words is "twenty billion, five hundred thirty-three million, eighty-seven thousand, seven hundred ninety-six".