20148880234 has 32 divisors (see below), whose sum is σ = 35046518400. Its totient is φ = 8509059072.

The previous prime is 20148880231. The next prime is 20148880237. The reversal of 20148880234 is 43208884102.

It is an interprime number because it is at equal distance from previous prime (20148880231) and next prime (20148880237).

It is not an unprimeable number, because it can be changed into a prime (20148880231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169817 + ... + 1186915.

It is an arithmetic number, because the mean of its divisors is an integer number (1095203700).

Almost surely, 2^20148880234 is an apocalyptic number.

20148880234 is a deficient number, since it is larger than the sum of its proper divisors (14897638166).

20148880234 is a wasteful number, since it uses less digits than its factorization.

20148880234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18334.

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 20148880234 in words is "twenty billion, one hundred forty-eight million, eight hundred eighty thousand, two hundred thirty-four".