20030722146 has 40 divisors (see below), whose sum is σ = 47245960080. Its totient is φ = 6325490232.

The previous prime is 20030722093. The next prime is 20030722157. The reversal of 20030722146 is 64122703002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3250776 + ... + 3256931.

It is an arithmetic number, because the mean of its divisors is an integer number (1181149002).

Almost surely, 2^20030722146 is an apocalyptic number.

20030722146 is an abundant number, since it is smaller than the sum of its proper divisors (27215237934).

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

20030722146 is a wasteful number, since it uses less digits than its factorization.

20030722146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507740 (or 6507731 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 20030722146 in words is "twenty billion, thirty million, seven hundred twenty-two thousand, one hundred forty-six".