20201454402 has 16 divisors (see below), whose sum is σ = 40444274592. Its totient is φ = 6726923840.

The previous prime is 20201454397. The next prime is 20201454463. The reversal of 20201454402 is 20445410202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717224 + ... + 1728947.

It is an arithmetic number, because the mean of its divisors is an integer number (2527767162).

Almost surely, 2^20201454402 is an apocalyptic number.

20201454402 is an abundant number, since it is smaller than the sum of its proper divisors (20242820190).

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

20201454402 is a wasteful number, since it uses less digits than its factorization.

20201454402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447153.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 20201454402 its reverse (20445410202), we get a palindrome (40646864604).

The spelling of 20201454402 in words is "twenty billion, two hundred one million, four hundred fifty-four thousand, four hundred two".