20763145800 has 96 divisors (see below), whose sum is σ = 71517520800. Its totient is φ = 5536837440.

The previous prime is 20763145769. The next prime is 20763145813. The reversal of 20763145800 is 854136702.

20763145800 is a `hidden beast` number, since 2 + 0 + 7 + 63 + 14 + 580 + 0 = 666.

It is a super-2 number, since 2×20763145800² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917114 + ... + 1927913.

It is an arithmetic number, because the mean of its divisors is an integer number (744974175).

Almost surely, 2^20763145800 is an apocalyptic number.

20763145800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20763145800 is an abundant number, since it is smaller than the sum of its proper divisors (50754375000).

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

20763145800 is a wasteful number, since it uses less digits than its factorization.

20763145800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845052 (or 3845037 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 20763145800 in words is "twenty billion, seven hundred sixty-three million, one hundred forty-five thousand, eight hundred".