20146742022 has 32 divisors (see below), whose sum is σ = 44179686144. Its totient is φ = 6074079200.

The previous prime is 20146742009. The next prime is 20146742051. The reversal of 20146742022 is 22024764102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761754 + ... + 787757.

It is an arithmetic number, because the mean of its divisors is an integer number (1380615192).

Almost surely, 2^20146742022 is an apocalyptic number.

20146742022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20146742022 is an abundant number, since it is smaller than the sum of its proper divisors (24032944122).

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

20146742022 is a wasteful number, since it uses less digits than its factorization.

20146742022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549724.

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 20146742022 in words is "twenty billion, one hundred forty-six million, seven hundred forty-two thousand, twenty-two".