20301534220 has 24 divisors (see below), whose sum is σ = 46508969808. Its totient is φ = 7382376000.

The previous prime is 20301534203. The next prime is 20301534233. The reversal of 20301534220 is 2243510302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20301534191 and 20301534200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46139631 + ... + 46140070.

It is an arithmetic number, because the mean of its divisors is an integer number (1937873742).

Almost surely, 2^20301534220 is an apocalyptic number.

20301534220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301534220 is an abundant number, since it is smaller than the sum of its proper divisors (26207435588).

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

20301534220 is a wasteful number, since it uses less digits than its factorization.

20301534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92279721 (or 92279719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The spelling of 20301534220 in words is "twenty billion, three hundred one million, five hundred thirty-four thousand, two hundred twenty".