20454445402 has 32 divisors (see below), whose sum is σ = 33003936000. Its totient is φ = 9476970048.

The previous prime is 20454445369. The next prime is 20454445457.

20454445402 is nontrivially palindromic in base 10.

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, 4550268 + ... + 4554760.

It is an arithmetic number, because the mean of its divisors is an integer number (1031373000).

Almost surely, 2^20454445402 is an apocalyptic number.

20454445402 is a deficient number, since it is larger than the sum of its proper divisors (12549490598).

20454445402 is a wasteful number, since it uses less digits than its factorization.

20454445402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its (nonzero) digits is 102400, while the sum is 34.

The spelling of 20454445402 in words is "twenty billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred two".