20022510146 has 16 divisors (see below), whose sum is σ = 31136984928. Its totient is φ = 9649399200.

The previous prime is 20022510119. The next prime is 20022510149. The reversal of 20022510146 is 64101522002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20022510149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464140 + ... + 1477751.

It is an arithmetic number, because the mean of its divisors is an integer number (1946061558).

Almost surely, 2^20022510146 is an apocalyptic number.

20022510146 is a deficient number, since it is larger than the sum of its proper divisors (11114474782).

20022510146 is a wasteful number, since it uses less digits than its factorization.

20022510146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942017.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 20022510146 in words is "twenty billion, twenty-two million, five hundred ten thousand, one hundred forty-six".