20466154200 has 48 divisors (see below), whose sum is σ = 63445079880. Its totient is φ = 5457640960.

The previous prime is 20466154169. The next prime is 20466154201. The reversal of 20466154200 is 245166402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466154201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17054529 + ... + 17055728.

Almost surely, 2^20466154200 is an apocalyptic number.

20466154200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20466154200 is an abundant number, since it is smaller than the sum of its proper divisors (42978925680).

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

20466154200 is a wasteful number, since it uses less digits than its factorization.

20466154200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110276 (or 34110267 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20466154200 in words is "twenty billion, four hundred sixty-six million, one hundred fifty-four thousand, two hundred".