20142633466 has 16 divisors (see below), whose sum is σ = 30721828320. Its totient is φ = 9902159280.

The previous prime is 20142633461. The next prime is 20142633523. The reversal of 20142633466 is 66433624102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20142633461) 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, 277245 + ... + 342271.

It is an arithmetic number, because the mean of its divisors is an integer number (1920114270).

Almost surely, 2^20142633466 is an apocalyptic number.

20142633466 is a deficient number, since it is larger than the sum of its proper divisors (10579194854).

20142633466 is a wasteful number, since it uses less digits than its factorization.

20142633466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67629.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 20142633466 in words is "twenty billion, one hundred forty-two million, six hundred thirty-three thousand, four hundred sixty-six".