20010201000 has 64 divisors (see below), whose sum is σ = 62431836480. Its totient is φ = 5336052800.

The previous prime is 20010200971. The next prime is 20010201019. The reversal of 20010201000 is 10201002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 20010201000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3332034 + ... + 3338033.

It is an arithmetic number, because the mean of its divisors is an integer number (975497445).

Almost surely, 2^20010201000 is an apocalyptic number.

20010201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010201000 is an abundant number, since it is smaller than the sum of its proper divisors (42421635480).

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

20010201000 is a wasteful number, since it uses less digits than its factorization.

20010201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670091 (or 6670077 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20010201000 its reverse (10201002), we get a palindrome (20020402002).

The spelling of 20010201000 in words is "twenty billion, ten million, two hundred one thousand".