20148397936 has 10 divisors (see below), whose sum is σ = 39037521032. Its totient is φ = 10074198960.

The previous prime is 20148397933. The next prime is 20148397939. The reversal of 20148397936 is 63979384102.

It is an interprime number because it is at equal distance from previous prime (20148397933) and next prime (20148397939).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20148397933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629637420 + ... + 629637451.

Almost surely, 2^20148397936 is an apocalyptic number.

It is an amenable number.

20148397936 is a deficient number, since it is larger than the sum of its proper divisors (18889123096).

20148397936 is a wasteful number, since it uses less digits than its factorization.

20148397936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259274879 (or 1259274873 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 20148397936 in words is "twenty billion, one hundred forty-eight million, three hundred ninety-seven thousand, nine hundred thirty-six".