20414430278 has 16 divisors (see below), whose sum is σ = 33409758096. Its totient is φ = 9278084640.

The previous prime is 20414430227. The next prime is 20414430293. The reversal of 20414430278 is 87203441402.

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, 126500 + ... + 238392.

It is an arithmetic number, because the mean of its divisors is an integer number (2088109881).

Almost surely, 2^20414430278 is an apocalyptic number.

20414430278 is a deficient number, since it is larger than the sum of its proper divisors (12995327818).

20414430278 is a wasteful number, since it uses less digits than its factorization.

20414430278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120199.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 20414430278 in words is "twenty billion, four hundred fourteen million, four hundred thirty thousand, two hundred seventy-eight".