2120929428 has 12 divisors (see below), whose sum is σ = 4948835360. Its totient is φ = 706976472.

The previous prime is 2120929427. The next prime is 2120929453. The reversal of 2120929428 is 8249290212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120929427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88372048 + ... + 88372071.

Almost surely, 2^2120929428 is an apocalyptic number.

It is an amenable number.

2120929428 is an abundant number, since it is smaller than the sum of its proper divisors (2827905932).

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

2120929428 is a wasteful number, since it uses less digits than its factorization.

2120929428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176744126 (or 176744124 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2120929428 is about 46053.5495700386. The cubic root of 2120929428 is about 1284.8193618307.

The spelling of 2120929428 in words is "two billion, one hundred twenty million, nine hundred twenty-nine thousand, four hundred twenty-eight".