1020157317734 has 16 divisors (see below), whose sum is σ = 1574245344672. Its totient is φ = 495595746048.

The previous prime is 1020157317731. The next prime is 1020157317737. The reversal of 1020157317734 is 4377137510201.

1020157317734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020157317731) and next prime (1020157317737).

It is a junction number, because it is equal to n+sod(n) for n = 1020157317691 and 1020157317700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020157317731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46708139 + ... + 46729974.

It is an arithmetic number, because the mean of its divisors is an integer number (98390334042).

Almost surely, 2^{1020157317734} is an apocalyptic number.

1020157317734 is a deficient number, since it is larger than the sum of its proper divisors (554088026938).

1020157317734 is a wasteful number, since it uses less digits than its factorization.

1020157317734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93438271.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 1020157317734 in words is "one trillion, twenty billion, one hundred fifty-seven million, three hundred seventeen thousand, seven hundred thirty-four".