20210212104 has 16 divisors (see below), whose sum is σ = 50525530320. Its totient is φ = 6736737360.

The previous prime is 20210212097. The next prime is 20210212117. The reversal of 20210212104 is 40121201202.

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 3 ways as a sum of consecutive naturals, for example, 421046062 + ... + 421046109.

It is an arithmetic number, because the mean of its divisors is an integer number (3157845645).

Almost surely, 2^20210212104 is an apocalyptic number.

20210212104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20210212104 is an abundant number, since it is smaller than the sum of its proper divisors (30315318216).

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

20210212104 is a wasteful number, since it uses less digits than its factorization.

20210212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842092180 (or 842092176 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20210212104 its reverse (40121201202), we get a palindrome (60331413306).

The spelling of 20210212104 in words is "twenty billion, two hundred ten million, two hundred twelve thousand, one hundred four".