1020357402 has 32 divisors (see below), whose sum is σ = 2112955200. Its totient is φ = 328099968.

The previous prime is 1020357397. The next prime is 1020357407. The reversal of 1020357402 is 2047530201.

It is an interprime number because it is at equal distance from previous prime (1020357397) and next prime (1020357407).

It is a super-2 number, since 2×1020357402² = 2082258455632379208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020357407) 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, 286549 + ... + 290087.

It is an arithmetic number, because the mean of its divisors is an integer number (66029850).

Almost surely, 2^1020357402 is an apocalyptic number.

1020357402 is an abundant number, since it is smaller than the sum of its proper divisors (1092597798).

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

1020357402 is a wasteful number, since it uses less digits than its factorization.

1020357402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1020357402 is about 31943.0337006365. The cubic root of 1020357402 is about 1006.7402673894.

Adding to 1020357402 its reverse (2047530201), we get a palindrome (3067887603).

The spelling of 1020357402 in words is "one billion, twenty million, three hundred fifty-seven thousand, four hundred two".