2029485491820 has 72 divisors (see below), whose sum is σ = 6156318561120. Its totient is φ = 541177443840.

The previous prime is 2029485491809. The next prime is 2029485491899. The reversal of 2029485491820 is 281945849202.

2029485491820 is a `hidden beast` number, since 2 + 0 + 2 + 94 + 8 + 549 + 1 + 8 + 2 + 0 = 666.

It is a super-2 number, since 2×2029485491820² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5493076 + ... + 5850884.

It is an arithmetic number, because the mean of its divisors is an integer number (85504424460).

Almost surely, 2^{2029485491820} is an apocalyptic number.

2029485491820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029485491820 is an abundant number, since it is smaller than the sum of its proper divisors (4126833069300).

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

2029485491820 is a wasteful number, since it uses less digits than its factorization.

2029485491820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389335 (or 389330 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 2029485491820 in words is "two trillion, twenty-nine billion, four hundred eighty-five million, four hundred ninety-one thousand, eight hundred twenty".