20014032454 has 16 divisors (see below), whose sum is σ = 32440714992. Its totient is φ = 9205715808.

The previous prime is 20014032427. The next prime is 20014032461. The reversal of 20014032454 is 45423041002.

It is a happy number.

It is a super-2 number, since 2×20014032454² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 1305984 + ... + 1321219.

It is an arithmetic number, because the mean of its divisors is an integer number (2027544687).

Almost surely, 2^20014032454 is an apocalyptic number.

20014032454 is a deficient number, since it is larger than the sum of its proper divisors (12426682538).

20014032454 is a wasteful number, since it uses less digits than its factorization.

20014032454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627511.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20014032454 its reverse (45423041002), we get a palindrome (65437073456).

The spelling of 20014032454 in words is "twenty billion, fourteen million, thirty-two thousand, four hundred fifty-four".