20353702020 has 48 divisors (see below), whose sum is σ = 57014350848. Its totient is φ = 5425369600.

The previous prime is 20353701967. The next prime is 20353702021. The reversal of 20353702020 is 2020735302.

It is not an unprimeable number, because it can be changed into a prime (20353702021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74845 + ... + 215195.

It is an arithmetic number, because the mean of its divisors is an integer number (1187798976).

Almost surely, 2^20353702020 is an apocalyptic number.

20353702020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20353702020 is an abundant number, since it is smaller than the sum of its proper divisors (36660648828).

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

20353702020 is a wasteful number, since it uses less digits than its factorization.

20353702020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142780 (or 142778 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The spelling of 20353702020 in words is "twenty billion, three hundred fifty-three million, seven hundred two thousand, twenty".