20210100124 has 12 divisors (see below), whose sum is σ = 35572113864. Its totient is φ = 10046639024.

The previous prime is 20210100107. The next prime is 20210100133. The reversal of 20210100124 is 42100101202.

It is a happy number.

It is a super-3 number, since 3×20210100124³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14601982 + ... + 14603365.

It is an arithmetic number, because the mean of its divisors is an integer number (2964342822).

Almost surely, 2^20210100124 is an apocalyptic number.

It is an amenable number.

20210100124 is a deficient number, since it is larger than the sum of its proper divisors (15362013740).

20210100124 is a wasteful number, since it uses less digits than its factorization.

20210100124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29205524 (or 29205522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210100124 its reverse (42100101202), we get a palindrome (62310201326).

The spelling of 20210100124 in words is "twenty billion, two hundred ten million, one hundred thousand, one hundred twenty-four".