20068029740 has 48 divisors (see below), whose sum is σ = 47095370784. Its totient is φ = 7119475200.

The previous prime is 20068029731. The next prime is 20068029749. The reversal of 20068029740 is 4792086002.

It is an interprime number because it is at equal distance from previous prime (20068029731) and next prime (20068029749).

It is a junction number, because it is equal to n+sod(n) for n = 20068029694 and 20068029703.

It is not an unprimeable number, because it can be changed into a prime (20068029749) 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, 1103399 + ... + 1121438.

It is an arithmetic number, because the mean of its divisors is an integer number (981153558).

Almost surely, 2^20068029740 is an apocalyptic number.

20068029740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20068029740 is an abundant number, since it is smaller than the sum of its proper divisors (27027341044).

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

20068029740 is a wasteful number, since it uses less digits than its factorization.

20068029740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224898 (or 2224896 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20068029740 in words is "twenty billion, sixty-eight million, twenty-nine thousand, seven hundred forty".