20273655800 has 24 divisors (see below), whose sum is σ = 47136250200. Its totient is φ = 8109462240.

The previous prime is 20273655757. The next prime is 20273655803. The reversal of 20273655800 is 855637202.

It is a super-2 number, since 2×20273655800² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273655803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50683940 + ... + 50684339.

It is an arithmetic number, because the mean of its divisors is an integer number (1964010425).

Almost surely, 2^20273655800 is an apocalyptic number.

20273655800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20273655800 is an abundant number, since it is smaller than the sum of its proper divisors (26862594400).

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

20273655800 is a wasteful number, since it uses less digits than its factorization.

20273655800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101368295 (or 101368286 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 20273655800 in words is "twenty billion, two hundred seventy-three million, six hundred fifty-five thousand, eight hundred".