20210169000 has 256 divisors, whose sum is σ = 75198689280. Its totient is φ = 4418515200.

The previous prime is 20210168963. The next prime is 20210169011. The reversal of 20210169000 is 96101202.

It is a super-2 number, since 2×20210169000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 462079 + ... + 503921.

It is an arithmetic number, because the mean of its divisors is an integer number (293744880).

Almost surely, 2^20210169000 is an apocalyptic number.

20210169000 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 20210169000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37599344640).

20210169000 is an abundant number, since it is smaller than the sum of its proper divisors (54988520280).

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

20210169000 is a wasteful number, since it uses less digits than its factorization.

20210169000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41897 (or 41883 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 20210169000 in words is "twenty billion, two hundred ten million, one hundred sixty-nine thousand".