210020124 has 48 divisors (see below), whose sum is σ = 499691808. Its totient is φ = 68640768.

The previous prime is 210020101. The next prime is 210020137. The reversal of 210020124 is 421020012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 171964 + ... + 173180.

It is an arithmetic number, because the mean of its divisors is an integer number (10410246).

Almost surely, 2^210020124 is an apocalyptic number.

It is an amenable number.

210020124 is an abundant number, since it is smaller than the sum of its proper divisors (289671684).

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

210020124 is a wasteful number, since it uses less digits than its factorization.

210020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 210020124 is about 14492.0710735215. The cubic root of 210020124 is about 594.4111812548.

Adding to 210020124 its reverse (421020012), we get a palindrome (631040136).

It can be divided in two parts, 2100201 and 24, that added together give a triangular number (2100225 = T₂₀₄₉).

The spelling of 210020124 in words is "two hundred ten million, twenty thousand, one hundred twenty-four".