20207370180 has 192 divisors, whose sum is σ = 59594895360. Its totient is φ = 5110718976.

The previous prime is 20207370179. The next prime is 20207370187. The reversal of 20207370180 is 8107370202.

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

It is not an unprimeable number, because it can be changed into a prime (20207370187) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15319561 + ... + 15320879.

It is an arithmetic number, because the mean of its divisors is an integer number (310390080).

Almost surely, 2^20207370180 is an apocalyptic number.

20207370180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20207370180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29797447680).

20207370180 is an abundant number, since it is smaller than the sum of its proper divisors (39387525180).

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

20207370180 is a wasteful number, since it uses less digits than its factorization.

20207370180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 20207370180 in words is "twenty billion, two hundred seven million, three hundred seventy thousand, one hundred eighty".