1020502157070 has 64 divisors (see below), whose sum is σ = 2717146010880. Its totient is φ = 243201331200.

The previous prime is 1020502157063. The next prime is 1020502157083. The reversal of 1020502157070 is 707512050201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26187571 + ... + 26226510.

It is an arithmetic number, because the mean of its divisors is an integer number (42455406420).

Almost surely, 2^{1020502157070} is an apocalyptic number.

1020502157070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020502157070 is an abundant number, since it is smaller than the sum of its proper divisors (1696643853810).

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

1020502157070 is a wasteful number, since it uses less digits than its factorization.

1020502157070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52414161.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 1020502157070 in words is "one trillion, twenty billion, five hundred two million, one hundred fifty-seven thousand, seventy".