20462001394 has 32 divisors (see below), whose sum is σ = 31441653360. Its totient is φ = 9983730432.

The previous prime is 20462001389. The next prime is 20462001401. The reversal of 20462001394 is 49310026402.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20080307025 + 381694369 = 141705^2 + 19537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27915052 + ... + 27915784.

Almost surely, 2^20462001394 is an apocalyptic number.

20462001394 is a deficient number, since it is larger than the sum of its proper divisors (10979651966).

20462001394 is a wasteful number, since it uses less digits than its factorization.

20462001394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 20462001394 its reverse (49310026402), we get a palindrome (69772027796).

The spelling of 20462001394 in words is "twenty billion, four hundred sixty-two million, one thousand, three hundred ninety-four".