2029699620 has 120 divisors (see below), whose sum is σ = 6857101944. Its totient is φ = 499613184.

The previous prime is 2029699597. The next prime is 2029699627. The reversal of 2029699620 is 269969202.

It can be written as a sum of positive squares in 4 ways, for example, as 146313216 + 1883386404 = 12096^2 + 43398^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2029699627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27129 + ... + 69248.

Almost surely, 2^2029699620 is an apocalyptic number.

2029699620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029699620 is an abundant number, since it is smaller than the sum of its proper divisors (4827402324).

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

2029699620 is a wasteful number, since it uses less digits than its factorization.

2029699620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96411 (or 96400 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2029699620 is about 45052.1877382220. The cubic root of 2029699620 is about 1266.1269610549.

The spelling of 2029699620 in words is "two billion, twenty-nine million, six hundred ninety-nine thousand, six hundred twenty".